# PRC-Saltillo

> Knowledge base documentation for PRC-Saltillo.

## Documentation

- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/accent-800-40-specifications.md)
- [Device Features](https://documentation.prc-saltillo.com/docs/device-features-2.md)
- [Powering the Device On/Off](https://documentation.prc-saltillo.com/docs/powering-the-device-onoff-2.md)
- [Using the Touchscreen](https://documentation.prc-saltillo.com/docs/using-the-touchscreen-2.md)
- [Applying a Screen Protector](https://documentation.prc-saltillo.com/docs/applying-a-screen-protector.md)
- [Maintenance and Disposal](https://documentation.prc-saltillo.com/docs/device-care-and-maintenance-2.md)
- [Battery Charging and Maintenance](https://documentation.prc-saltillo.com/docs/battery-charging-and-maintenance-2.md)
- [Cleaning and Disinfecting](https://documentation.prc-saltillo.com/docs/cleaning-and-disinfecting-2.md)
- [Removing or Replacing the Device Frame](https://documentation.prc-saltillo.com/docs/removing-or-replacing-the-device-frame.md)
- [Positioning or Removing the Stand](https://documentation.prc-saltillo.com/docs/positioning-or-removing-the-stand.md)
- [Removing or Reattaching the Handle](https://documentation.prc-saltillo.com/docs/removing-or-reattaching-the-handle.md)
- [Mounting the IR Reflector](https://documentation.prc-saltillo.com/docs/mounting-the-ir-reflector.md)
- [Keyguard Instructions](https://documentation.prc-saltillo.com/docs/keyguard-instructions-3.md)
- [TouchGuide Instructions](https://documentation.prc-saltillo.com/docs/instructions-du-touchguide.md)
- [Shoulder Strap Instructions](https://documentation.prc-saltillo.com/docs/shoulder-strap-instructions-4.md)
- [Waist Belt Instructions](https://documentation.prc-saltillo.com/docs/waist-belt-instructions-4.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/accent-1000-40-specifications.md)
- [Device Features](https://documentation.prc-saltillo.com/docs/device-features-3.md)
- [Powering the Device On/Off](https://documentation.prc-saltillo.com/docs/powering-the-device-onoff-3.md)
- [Using the Touchscreen](https://documentation.prc-saltillo.com/docs/using-the-touchscreen-3.md)
- [Applying a Screen Protector](https://documentation.prc-saltillo.com/docs/applying-a-screen-protector-1.md)
- [Maintenance and Disposal](https://documentation.prc-saltillo.com/docs/device-care-and-maintenance-3.md)
- [Battery Charging and Maintenance](https://documentation.prc-saltillo.com/docs/battery-charging-and-maintenance-3.md)
- [Cleaning and Disinfecting](https://documentation.prc-saltillo.com/docs/cleaning-and-disinfecting-3.md)
- [Removing or Replacing the Device Frame](https://documentation.prc-saltillo.com/docs/removing-or-replacing-the-device-frame-1.md)
- [Positioning or Removing the Stand](https://documentation.prc-saltillo.com/docs/positioning-or-removing-the-stand-1.md)
- [Removing or Reattaching the Handle](https://documentation.prc-saltillo.com/docs/removing-or-reattaching-the-handle-1.md)
- [Mounting the IR Reflector](https://documentation.prc-saltillo.com/docs/mounting-the-ir-reflector-1.md)
- [Keyguard Instructions](https://documentation.prc-saltillo.com/docs/keyguard-instructions-2.md)
- [TouchGuide Instructions](https://documentation.prc-saltillo.com/docs/instrucciones-de-touchguide.md)
- [Shoulder Strap Instructions](https://documentation.prc-saltillo.com/docs/shoulder-strap-instructions-3.md)
- [Waist Belt Instructions](https://documentation.prc-saltillo.com/docs/waist-belt-instructions-3.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/accent-1400-30-specifications.md)
- [Device Features](https://documentation.prc-saltillo.com/docs/device-features-4.md)
- [Powering On the Device](https://documentation.prc-saltillo.com/docs/powering-the-device-onoff-4.md)
- [Using the Touchscreen](https://documentation.prc-saltillo.com/docs/using-the-touchscreen-4.md)
- [Applying a Screen Protector](https://documentation.prc-saltillo.com/docs/applying-a-screen-protector-2.md)
- [Maintenance and Disposal](https://documentation.prc-saltillo.com/docs/device-care-and-maintenance-4.md)
- [Battery Charging and Maintenance](https://documentation.prc-saltillo.com/docs/battery-charging-and-maintenance-4.md)
- [Cleaning and Disinfecting](https://documentation.prc-saltillo.com/docs/cleaning-and-disinfecting-4.md)
- [Removing or Replacing the Device Frame](https://documentation.prc-saltillo.com/docs/removing-or-replacing-the-device-frame-2.md)
- [Positioning or Removing the Stand](https://documentation.prc-saltillo.com/docs/positioning-or-removing-the-stand-2.md)
- [Removing or Reattaching the Handle](https://documentation.prc-saltillo.com/docs/removing-or-reattaching-the-handle-2.md)
- [Mounting the IR Reflector](https://documentation.prc-saltillo.com/docs/mounting-the-ir-reflector-2.md)
- [Keyguard Instructions](https://documentation.prc-saltillo.com/docs/keyguard-for-accent-devices.md)
- [TouchGuide Instructions](https://documentation.prc-saltillo.com/docs/accent-device-touchguide.md)
- [Shoulder Strap Instructions](https://documentation.prc-saltillo.com/docs/using-a-shoulder-strap-2.md)
- [Waist Belt Instructions](https://documentation.prc-saltillo.com/docs/using-a-waist-belt-2.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/compliance-information-3.md)
- [Open Empower and Select a Vocabulary](https://documentation.prc-saltillo.com/docs/getting-started-with-empower.md)
- [Choose a Voice](https://documentation.prc-saltillo.com/docs/choose-a-voice.md)
- [Choose an Access Method](https://documentation.prc-saltillo.com/docs/choose-an-access-method.md)
- [Menus Overview](https://documentation.prc-saltillo.com/docs/using-basic-features.md)
- [Toolbox Overview](https://documentation.prc-saltillo.com/docs/toolbox.md)
- [Word Finder](https://documentation.prc-saltillo.com/docs/word-finder-1.md)
- [Software Updates](https://documentation.prc-saltillo.com/docs/software-updates-1.md)
- [User Settings Overview](https://documentation.prc-saltillo.com/docs/user-settings.md)
- [Scanning Setup](https://documentation.prc-saltillo.com/docs/scanning-setup.md)
- [Changing Voice Pronunciations](https://documentation.prc-saltillo.com/docs/changing-voice-pronunciations.md)
- [Message Window and Multi-bar](https://documentation.prc-saltillo.com/docs/message-window-multi-bar.md)
- [Working with Multiple Users](https://documentation.prc-saltillo.com/docs/working-with-users.md)
- [Set Cursor, Dwell, and Selection Feedback](https://documentation.prc-saltillo.com/docs/set-cursor-dwell-and-selection-feedback.md)
- [Restrict Access to Settings](https://documentation.prc-saltillo.com/docs/restrict-access-to-the-toolbox.md)
- [Toolbox Language](https://documentation.prc-saltillo.com/docs/toolbox-language.md)
- [Vocabulary Overview](https://documentation.prc-saltillo.com/docs/vocabulary-overview-empower.md)
- [Vocabulary Builder](https://documentation.prc-saltillo.com/docs/vocabulary-builder.md)
- [Vocabulary Settings](https://documentation.prc-saltillo.com/docs/vocabulary-settings.md)
- [Editor](https://documentation.prc-saltillo.com/docs/editor.md)
- [Editing Buttons](https://documentation.prc-saltillo.com/docs/editing-buttons-1.md)
- [Change a Button Symbol](https://documentation.prc-saltillo.com/docs/changing-a-button-symbol.md)
- [Add a Button Message or Label](https://documentation.prc-saltillo.com/docs/changing-a-button-message-or-label.md)
- [Change Button Colors](https://documentation.prc-saltillo.com/docs/changing-button-colors.md)
- [Button Navigation](https://documentation.prc-saltillo.com/docs/button-navigation.md)
- [Button Actions](https://documentation.prc-saltillo.com/docs/button-actions-1.md)
- [Swap, Resize, or Move Buttons](https://documentation.prc-saltillo.com/docs/swap-resize-or-move-buttons.md)
- [Button Settings](https://documentation.prc-saltillo.com/docs/changing-button-settings.md)
- [Page Manager](https://documentation.prc-saltillo.com/docs/working-with-pages-1.md)
- [Keyboards](https://documentation.prc-saltillo.com/docs/keyboards-1.md)
- [Word Prediction](https://documentation.prc-saltillo.com/docs/word-prediction-1.md)
- [Monitor Language Growth with Data Logging](https://documentation.prc-saltillo.com/docs/language-development-data-logging-1.md)
- [System Settings Overview](https://documentation.prc-saltillo.com/docs/system-settings.md)
- [Sound Settings](https://documentation.prc-saltillo.com/docs/volume.md)
- [Devices and Connections](https://documentation.prc-saltillo.com/docs/devices-connections.md)
- [Export/Import Customized Vocabulary Files](https://documentation.prc-saltillo.com/docs/exportimport-customized-vocabulary-files.md)
- [Setting Date and Time](https://documentation.prc-saltillo.com/docs/date-and-time.md)
- [Power Settings](https://documentation.prc-saltillo.com/docs/power-settings.md)
- [System Options and Support](https://documentation.prc-saltillo.com/docs/system-options-support.md)
- [About This Device](https://documentation.prc-saltillo.com/docs/about-this-device-empower.md)
- [Applications Overview](https://documentation.prc-saltillo.com/docs/applications.md)
- [Web Browser](https://documentation.prc-saltillo.com/docs/web-browser.md)
- [Text Messaging](https://documentation.prc-saltillo.com/docs/text-messaging-1.md)
- [IR Remote Controls](https://documentation.prc-saltillo.com/docs/ir-remote-controls.md)
- [Join-In Web Apps](https://documentation.prc-saltillo.com/docs/join-in-web-apps-manual.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/safety-and-compliance-1-1-1.md)
- [Toolbox, Display, and Restrictions](https://documentation.prc-saltillo.com/docs/toolbox-overview-1-1.md)
- [Change the User Area](https://documentation.prc-saltillo.com/docs/change-the-user-area-1-1.md)
- [Change the Voice and Pronunciations](https://documentation.prc-saltillo.com/docs/choose-and-adjust-a-voice-1-1.md)
- [Choose an Access Method](https://documentation.prc-saltillo.com/docs/choose-an-access-method-1-1-1.md)
- [Software Updates](https://documentation.prc-saltillo.com/docs/software-updates-7-1-1.md)
- [Working with Vocabularies](https://documentation.prc-saltillo.com/docs/available-vocabularies-1-1.md)
- [Store Messages and Tools](https://documentation.prc-saltillo.com/docs/store-messages-and-tools-1-1.md)
- [Edit a Key](https://documentation.prc-saltillo.com/docs/edit-a-key-1-1.md)
- [Take a Photo](https://documentation.prc-saltillo.com/docs/use-the-camera-1-1.md)
- [Create a Page or Activity](https://documentation.prc-saltillo.com/docs/create-and-modify-pages-1-1.md)
- [Using Word Finder and Vocabulary Builder](https://documentation.prc-saltillo.com/docs/using-word-finder-and-vocabulary-builder-1.md)
- [Using Word Prediction](https://documentation.prc-saltillo.com/docs/using-word-prediction-1.md)
- [Back Up a Vocabulary File](https://documentation.prc-saltillo.com/docs/back-up-a-vocabulary-1.md)
- [Using Notebooks](https://documentation.prc-saltillo.com/docs/use-a-notebook-1-1.md)
- [Using the Device with a Computer](https://documentation.prc-saltillo.com/docs/using-the-device-with-a-computer-1-1.md)
- [Using the Device as a Remote Control](https://documentation.prc-saltillo.com/docs/feedback-menu-1-1-1.md)
- [Phone Calls and Texting](https://documentation.prc-saltillo.com/docs/phone-calls-and-texting-1-1-1.md)
- [Troubleshooting](https://documentation.prc-saltillo.com/docs/troubleshooting-4-1.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/safety-and-compliance-information.md)
- [Getting Started with Look 1.1](https://documentation.prc-saltillo.com/docs/getting-started-with-look-11.md)
- [Look Module Care and Cleaning](https://documentation.prc-saltillo.com/docs/look-module-care-and-cleaning.md)
- [Attach a Look 1.1 Module to an Accent Device](https://documentation.prc-saltillo.com/docs/attach-a-look-11-module-to-an-accent-device.md)
- [Position the User and Eye Tracking System](https://documentation.prc-saltillo.com/docs/position-the-user-and-eye-tracking-system.md)
- [Empower: Calibrate and Set Up Eye Tracking](https://documentation.prc-saltillo.com/docs/calibrate-and-set-up-eye-tracking-in-empower.md)
- [NuVoice: Calibrate and Set Up Eye Tracking](https://documentation.prc-saltillo.com/docs/calibrate-and-set-up-eye-tracking-in-nuvoice.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/compliance-information-4.md)
- [Getting Started with Look 2](https://documentation.prc-saltillo.com/docs/getting-started-with-look-2.md)
- [Look Module Care and Cleaning](https://documentation.prc-saltillo.com/docs/look-module-care-and-cleaning-1.md)
- [Attach Look 2 Module to Accent 1400-30](https://documentation.prc-saltillo.com/docs/attach-look-2-module-to-accent-1400-30.md)
- [Position the User and Eye Tracking System](https://documentation.prc-saltillo.com/docs/position-the-user-and-eye-tracking-system-1.md)
- [Empower: Calibrate and Set Up Eye Tracking](https://documentation.prc-saltillo.com/docs/calibrate-and-set-up-eye-tracking-in-empower-1.md)
- [NuVoice: Calibrate and Set Up Eye Tracking](https://documentation.prc-saltillo.com/docs/calibrate-and-set-up-eye-tracking-in-nuvoice-1.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/compliance-information-2.md)
- [Getting Started with NuPoint](https://documentation.prc-saltillo.com/docs/getting-started-with-nupoint.md)
- [Attach a NuPoint Module to the Device](https://documentation.prc-saltillo.com/docs/attaching-a-nupoint-module-to-the-device.md)
- [Position the User for Head Tracking](https://documentation.prc-saltillo.com/docs/positioning-the-user-for-head-tracking.md)
- [Empower: Setting Up Head Tracking](https://documentation.prc-saltillo.com/docs/setting-up-head-tracking-in-empower.md)
- [NuVoice: Setting Up Head Tracking](https://documentation.prc-saltillo.com/docs/setting-up-head-tracking-in-nuvoice.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/novachat-8-5-specifications.md)
- [Device Features](https://documentation.prc-saltillo.com/docs/device-features-1.md)
- [Powering the Device On/Off](https://documentation.prc-saltillo.com/docs/powering-the-device-onoff-1.md)
- [Controlling the Volume](https://documentation.prc-saltillo.com/docs/controlling-the-volume-1.md)
- [Turning Bluetooth On/Off](https://documentation.prc-saltillo.com/docs/turning-bluetooth-onoff-1.md)
- [Turning Airplane Mode On/Off](https://documentation.prc-saltillo.com/docs/turning-airplane-mode-onoff-1.md)
- [Battery Charging and Maintenance](https://documentation.prc-saltillo.com/docs/battery-charging-and-maintenance-1.md)
- [Cleaning and Disinfecting](https://documentation.prc-saltillo.com/docs/cleaning-and-disinfecting-1.md)
- [Using the Touchscreen](https://documentation.prc-saltillo.com/docs/using-the-touchscreen-1.md)
- [Positioning the Stand](https://documentation.prc-saltillo.com/docs/positioning-the-stand-1.md)
- [Removing or Replacing the Handle](https://documentation.prc-saltillo.com/docs/removing-or-replacing-the-handle-1.md)
- [Keyguard Instructions](https://documentation.prc-saltillo.com/docs/keyguard-instructions-1.md)
- [TouchGuide Instructions](https://documentation.prc-saltillo.com/docs/touchguide-instructions-1.md)
- [Wrap Instructions](https://documentation.prc-saltillo.com/docs/wrap-instructions-1.md)
- [Shoulder Strap Instructions](https://documentation.prc-saltillo.com/docs/shoulder-strap-instructions-2.md)
- [Waist Belt Instructions](https://documentation.prc-saltillo.com/docs/waist-belt-instructions-2.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/novachat-10-7-specifications.md)
- [Device Features](https://documentation.prc-saltillo.com/docs/device-features.md)
- [Powering the Device On/Off](https://documentation.prc-saltillo.com/docs/powering-the-device-onoff.md)
- [Controlling the Volume](https://documentation.prc-saltillo.com/docs/controlling-the-volume.md)
- [Turning Bluetooth On/Off](https://documentation.prc-saltillo.com/docs/turning-bluetooth-onoff.md)
- [Turning Airplane Mode On/Off](https://documentation.prc-saltillo.com/docs/turning-airplane-mode-onoff.md)
- [Battery Charging and Maintenance](https://documentation.prc-saltillo.com/docs/battery-charging-and-maintenance.md)
- [Cleaning and Disinfecting](https://documentation.prc-saltillo.com/docs/cleaning-and-disinfecting.md)
- [Using the Touchscreen](https://documentation.prc-saltillo.com/docs/using-the-touchscreen.md)
- [Positioning the Stand](https://documentation.prc-saltillo.com/docs/positioning-the-stand.md)
- [Removing or Replacing the Handle](https://documentation.prc-saltillo.com/docs/removing-or-replacing-the-handle.md)
- [Keyguard Instructions](https://documentation.prc-saltillo.com/docs/keyguard-for-novachat-devices.md)
- [TouchGuide Instructions](https://documentation.prc-saltillo.com/docs/touchguide-for-novachat-devices.md)
- [Wrap Instructions](https://documentation.prc-saltillo.com/docs/change-the-wrap-on-novachat.md)
- [Shoulder Strap Instructions](https://documentation.prc-saltillo.com/docs/using-a-shoulder-strap-1.md)
- [Waist Belt Instructions](https://documentation.prc-saltillo.com/docs/using-a-waist-belt-1.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/compliance-information-6.md)
- [Choose a Vocabulary](https://documentation.prc-saltillo.com/docs/choose-a-vocabulary.md)
- [Choose a Language and Voice](https://documentation.prc-saltillo.com/docs/choose-a-language-and-voice.md)
- [Home Screen Overview](https://documentation.prc-saltillo.com/docs/home-screen-and-status-bar.md)
- [Menus Overview](https://documentation.prc-saltillo.com/docs/using-the-menu.md)
- [ChatEditor](https://documentation.prc-saltillo.com/docs/chateditor.md)
- [Software Updates](https://documentation.prc-saltillo.com/docs/software-updates.md)
- [Access and Input Options](https://documentation.prc-saltillo.com/docs/access-settings.md)
- [Switch Scanning Setup](https://documentation.prc-saltillo.com/docs/switch-scanning-setup.md)
- [Custom Scan Patterns](https://documentation.prc-saltillo.com/docs/custom-scan-patterns.md)
- [Orientation Settings](https://documentation.prc-saltillo.com/docs/orientation-settings.md)
- [Speech Output and Pronunciation](https://documentation.prc-saltillo.com/docs/working-with-speech.md)
- [Abbreviation Expansion](https://documentation.prc-saltillo.com/docs/abbreviation-expansion.md)
- [Automatic Capitalization](https://documentation.prc-saltillo.com/docs/automatic-capitalization.md)
- [Restrict Access to Settings](https://documentation.prc-saltillo.com/docs/restricting-access-to-settings.md)
- [Create Profiles for Different Settings](https://documentation.prc-saltillo.com/docs/profiles.md)
- [Manage Gestures](https://documentation.prc-saltillo.com/docs/gestures.md)
- [Audible and Haptic Feedback](https://documentation.prc-saltillo.com/docs/audible-and-haptic-feedback.md)
- [Display and Volume](https://documentation.prc-saltillo.com/docs/display-settings.md)
- [Share Analytics](https://documentation.prc-saltillo.com/docs/anonymous-usage-statistics.md)
- [Customize a Vocabulary File](https://documentation.prc-saltillo.com/docs/customize-a-vocabulary-file.md)
- [Back Up Custom Vocabulary Files](https://documentation.prc-saltillo.com/docs/backup-custom-vocabulary-files.md)
- [Back Up Custom Files with Settings](https://documentation.prc-saltillo.com/docs/backup-custom-files-with-settings.md)
- [Transfer Files to another Device](https://documentation.prc-saltillo.com/docs/transfer-files-to-another-device.md)
- [Speech Display Bar (SDB)](https://documentation.prc-saltillo.com/docs/speech-display-bar-sdb.md)
- [Delete Custom Files and Settings](https://documentation.prc-saltillo.com/docs/delete-custom-files-and-settings.md)
- [Word Finder](https://documentation.prc-saltillo.com/docs/word-finder.md)
- [Vocabulary Builder](https://documentation.prc-saltillo.com/docs/vocabulary-builder-3.md)
- [Word Prediction](https://documentation.prc-saltillo.com/docs/word-prediction.md)
- [Keyboards](https://documentation.prc-saltillo.com/docs/keyboards.md)
- [Editing Buttons](https://documentation.prc-saltillo.com/docs/editing-buttons.md)
- [Change Button Images](https://documentation.prc-saltillo.com/docs/changing-button-images.md)
- [Change Button Styles](https://documentation.prc-saltillo.com/docs/changing-button-styles.md)
- [Resize a Button](https://documentation.prc-saltillo.com/docs/resizing-a-button.md)
- [Button Links](https://documentation.prc-saltillo.com/docs/button-links.md)
- [Button Actions](https://documentation.prc-saltillo.com/docs/button-actions.md)
- [Store Text to Button Action](https://documentation.prc-saltillo.com/docs/store-text-to-button.md)
- [Button Message Pop-Up](https://documentation.prc-saltillo.com/docs/button-message-pop-up.md)
- [Battery Status Button Action](https://documentation.prc-saltillo.com/docs/battery-status-button.md)
- [Hide or Show Buttons](https://documentation.prc-saltillo.com/docs/hiding-buttons.md)
- [Button Sets](https://documentation.prc-saltillo.com/docs/button-sets.md)
- [Move and Reuse Buttons](https://documentation.prc-saltillo.com/docs/move-and-reuse-buttons.md)
- [Pages](https://documentation.prc-saltillo.com/docs/working-with-pages.md)
- [Create a Special Page](https://documentation.prc-saltillo.com/docs/working-with-special-pages.md)
- [Whiteboard Pages](https://documentation.prc-saltillo.com/docs/whiteboard-pages.md)
- [Visual Scenes](https://documentation.prc-saltillo.com/docs/visual-scenes.md)
- [Camera and Photos](https://documentation.prc-saltillo.com/docs/camera-and-photos.md)
- [Text Messaging](https://documentation.prc-saltillo.com/docs/text-messaging.md)
- [Using Additional Apps](https://documentation.prc-saltillo.com/docs/using-additional-apps.md)
- [Using InputStick with NovaChat](https://documentation.prc-saltillo.com/docs/connect-to-a-computer-inputstick.md)
- [Monitor Language Growth with Data Logging](https://documentation.prc-saltillo.com/docs/language-development-data-logging.md)
- [Webhook Event Buttons](https://documentation.prc-saltillo.com/docs/webhook-event-buttons.md)
- [Acapela Voice Smileys](https://documentation.prc-saltillo.com/docs/adding-acapela-voice-smileys.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/safety-and-compliance-information-1.md)
- [Getting Started with ChatEditor](https://documentation.prc-saltillo.com/docs/getting-started-9.md)
- [Turn on Edit Mode](https://documentation.prc-saltillo.com/docs/turn-on-edit-mode.md)
- [Modify a Button](https://documentation.prc-saltillo.com/docs/modify-a-button.md)
- [Create a New Blank Vocabulary File](https://documentation.prc-saltillo.com/docs/create-a-new-blank-vocabulary-file.md)
- [Change Word Pronunciations](https://documentation.prc-saltillo.com/docs/change-word-pronunciations.md)
- [Create a Page](https://documentation.prc-saltillo.com/docs/create-a-page.md)
- [Screen Capture Button Sequences](https://documentation.prc-saltillo.com/docs/screen-capture-button-sequences.md)
- [Print Vocabulary Pages](https://documentation.prc-saltillo.com/docs/print-vocabulary-pages.md)
- [Save Vocabulary Pages as Images](https://documentation.prc-saltillo.com/docs/save-vocabulary-pages-as-images.md)
- [Import Files into ChatEditor from a Computer](https://documentation.prc-saltillo.com/docs/import-a-vocabulary-file-into-chateditor-from-a-computer.md)
- [Transfer Vocabulary Files](https://documentation.prc-saltillo.com/docs/transfer-vocabulary-files.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/via-mini-81-specifications.md)
- [Using Guided Access](https://documentation.prc-saltillo.com/docs/using-guided-access-4.md)
- [iOS Apps](https://documentation.prc-saltillo.com/docs/aplicaciones-disponibles.md)
- [Device Features](https://documentation.prc-saltillo.com/docs/device-features-6.md)
- [Powering the Device On/Off](https://documentation.prc-saltillo.com/docs/powering-the-device-onoff-6.md)
- [Controlling the Volume](https://documentation.prc-saltillo.com/docs/controlling-the-volume-3.md)
- [Battery Charging and Maintenance](https://documentation.prc-saltillo.com/docs/battery-charging-and-maintenance-6.md)
- [Cleaning and Disinfecting](https://documentation.prc-saltillo.com/docs/cleaning-and-disinfecting-6.md)
- [Repair and Disposal](https://documentation.prc-saltillo.com/docs/device-care-and-maintenance-6.md)
- [Using the Touchscreen](https://documentation.prc-saltillo.com/docs/using-the-touchscreen-6.md)
- [Setting Up AeroSwitch for Scanning](https://documentation.prc-saltillo.com/docs/setting-up-aeroswitch-for-scanning-1.md)
- [Positioning the Stand](https://documentation.prc-saltillo.com/docs/positioning-the-stand-3.md)
- [Removing the Handle](https://documentation.prc-saltillo.com/docs/removing-the-handle-1.md)
- [Keyguard Instructions](https://documentation.prc-saltillo.com/docs/attach-a-keyguard-to-via.md)
- [TouchGuide Instructions](https://documentation.prc-saltillo.com/docs/using-a-touchguide-on-via.md)
- [Wrap Instructions](https://documentation.prc-saltillo.com/docs/changing-the-wrap-on-via.md)
- [Shoulder Strap Instructions](https://documentation.prc-saltillo.com/docs/using-a-shoulder-strap.md)
- [Waist Belt Instructions](https://documentation.prc-saltillo.com/docs/using-a-waist-belt.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/via-nano-61-specifications.md)
- [Using Guided Access](https://documentation.prc-saltillo.com/docs/using-guided-access-5.md)
- [iOS Apps](https://documentation.prc-saltillo.com/docs/aplicaciones-disponibles-1.md)
- [Device Features](https://documentation.prc-saltillo.com/docs/device-features-7.md)
- [Powering the Device On/Off](https://documentation.prc-saltillo.com/docs/powering-the-device-onoff-7.md)
- [Controlling the Volume](https://documentation.prc-saltillo.com/docs/controlling-the-volume-4.md)
- [Battery Charging and Maintenance](https://documentation.prc-saltillo.com/docs/battery-charging-and-maintenance-7.md)
- [Cleaning and Disinfecting](https://documentation.prc-saltillo.com/docs/cleaning-and-disinfecting-the-device.md)
- [Repair and Disposal](https://documentation.prc-saltillo.com/docs/device-care-and-maintenance-7.md)
- [Using the Touchscreen](https://documentation.prc-saltillo.com/docs/using-the-touchscreen-7.md)
- [Setting Up AeroSwitch for Scanning](https://documentation.prc-saltillo.com/docs/setting-up-aeroswitch-for-scanning-2.md)
- [Mounting the Device](https://documentation.prc-saltillo.com/docs/mounting-the-device.md)
- [Shoulder Strap Instructions](https://documentation.prc-saltillo.com/docs/shoulder-strap-instructions.md)
- [Waist Belt Instructions](https://documentation.prc-saltillo.com/docs/waist-belt-instructions.md)
- [EMC Compliance Information](https://documentation.prc-saltillo.com/docs/emc-compliance-information.md)
- [FCC Compliance Information](https://documentation.prc-saltillo.com/docs/fcc-compliance-information-1.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/via-pro-112-specifications.md)
- [Using Guided Access](https://documentation.prc-saltillo.com/docs/using-guided-access.md)
- [iOS Apps](https://documentation.prc-saltillo.com/docs/related-app-manuals.md)
- [Device Features](https://documentation.prc-saltillo.com/docs/device-features-5.md)
- [Powering the Device On/Off](https://documentation.prc-saltillo.com/docs/powering-the-device-onoff-5.md)
- [Controlling the Volume](https://documentation.prc-saltillo.com/docs/controlling-the-volume-2.md)
- [Battery Charging and Maintenance](https://documentation.prc-saltillo.com/docs/battery-charging-and-maintenance-5.md)
- [Cleaning and Disinfecting](https://documentation.prc-saltillo.com/docs/cleaning-and-disinfecting-5.md)
- [Repair and Disposal](https://documentation.prc-saltillo.com/docs/device-care-and-maintenance-5.md)
- [Using the Touchscreen](https://documentation.prc-saltillo.com/docs/using-the-touchscreen-5.md)
- [Setting Up AeroSwitch for Scanning](https://documentation.prc-saltillo.com/docs/setting-up-aeroswitch-for-scanning.md)
- [Positioning the Stand](https://documentation.prc-saltillo.com/docs/positioning-the-stand-2.md)
- [Removing the Handle](https://documentation.prc-saltillo.com/docs/removing-the-handle.md)
- [Keyguard Instructions](https://documentation.prc-saltillo.com/docs/keyguard-instructions.md)
- [TouchGuide Instructions](https://documentation.prc-saltillo.com/docs/touchguide-instructions.md)
- [Wrap Instructions](https://documentation.prc-saltillo.com/docs/wrap-instructions.md)
- [Shoulder Strap Instructions](https://documentation.prc-saltillo.com/docs/shoulder-strap-instructions-1.md)
- [Waist Belt Instructions](https://documentation.prc-saltillo.com/docs/waist-belt-instructions-1.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/compliance-information-8.md)
- [LAMP WFL First Steps](https://documentation.prc-saltillo.com/docs/opening-lamp-wfl-for-the-first-time.md)
- [Choose a Vocabulary](https://documentation.prc-saltillo.com/docs/available-vocabulary-files-2.md)
- [LAMP WFL Menus Overview](https://documentation.prc-saltillo.com/docs/lamp-wfl-menus.md)
- [Word Finder](https://documentation.prc-saltillo.com/docs/word-finder-3.md)
- [Software Updates](https://documentation.prc-saltillo.com/docs/software-updates-4.md)
- [LAMP WFL Settings Overview](https://documentation.prc-saltillo.com/docs/lamp-wfl-settings.md)
- [Head Tracking Setup](https://documentation.prc-saltillo.com/docs/head-tracking-1.md)
- [Switch Scanning Setup](https://documentation.prc-saltillo.com/docs/switch-scanning-1.md)
- [Voices and Pronunciations](https://documentation.prc-saltillo.com/docs/working-with-voices-1.md)
- [Setting Speak Preferences](https://documentation.prc-saltillo.com/docs/setting-speak-preferences-1.md)
- [Restrict Access to Editing Menus](https://documentation.prc-saltillo.com/docs/restrict-access-to-editing-menus-1.md)
- [Delete Your PRC-Saltillo Account](https://documentation.prc-saltillo.com/docs/deleting-your-prc-saltillo-account-1.md)
- [Working with Vocabulary Files](https://documentation.prc-saltillo.com/docs/working-with-vocabulary-files-1.md)
- [Automatic Backups for Customized Files](https://documentation.prc-saltillo.com/docs/automatic-backups-for-customized-files-1.md)
- [Transfer or Back Up Vocabulary Files](https://documentation.prc-saltillo.com/docs/backing-up-customized-vocabulary-files-1.md)
- [Add or Remove Languages](https://documentation.prc-saltillo.com/docs/working-with-languages-1.md)
- [Speech Display Bar (SDB)](https://documentation.prc-saltillo.com/docs/speech-display-bar-1.md)
- [Word Prediction](https://documentation.prc-saltillo.com/docs/word-prediction-3.md)
- [Abbreviation Expansion](https://documentation.prc-saltillo.com/docs/abbreviation-expansion-2.md)
- [Vocabulary Builder](https://documentation.prc-saltillo.com/docs/vocabulary-builder-1.md)
- [Editing Buttons](https://documentation.prc-saltillo.com/docs/editing-buttons-3.md)
- [Change Button Images](https://documentation.prc-saltillo.com/docs/changing-button-images-2.md)
- [Change Button Styles](https://documentation.prc-saltillo.com/docs/changing-button-styles-2.md)
- [Change Button Settings](https://documentation.prc-saltillo.com/docs/changing-button-settings-2.md)
- [Button Actions](https://documentation.prc-saltillo.com/docs/button-actions-3.md)
- [Move or Hide Buttons](https://documentation.prc-saltillo.com/docs/move-or-hide-buttons-1.md)
- [Pages](https://documentation.prc-saltillo.com/docs/working-with-pages-3.md)
- [AI Features](https://documentation.prc-saltillo.com/docs/ai-features.md)
- [Monitor Language Growth with Data Logging](https://documentation.prc-saltillo.com/docs/language-development-data-logging-3.md)
- [Phone Calls - Telephony](https://documentation.prc-saltillo.com/docs/phone-calls-telephony-1.md)
- [Social Networking in LAMP WFL](https://documentation.prc-saltillo.com/docs/social-networking-in-lamp-wfl.md)
- [Welcome to LAMP Words for Life Discover](https://documentation.prc-saltillo.com/docs/welcome-to-lamp-words-for-life-discover.md)
- [Getting Started](https://documentation.prc-saltillo.com/docs/getting-started-1.md)
- [Personalize Settings](https://documentation.prc-saltillo.com/docs/personalizing-settings-1.md)
- [Upgrade to a Full-Featured App](https://documentation.prc-saltillo.com/docs/upgrading-to-a-full-featured-app-1.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/compliance-information-7.md)
- [TouchChat First Steps](https://documentation.prc-saltillo.com/docs/opening-touchchat-for-the-first-time.md)
- [Choose a Vocabulary](https://documentation.prc-saltillo.com/docs/available-vocabulary-files-1.md)
- [TouchChat Menus Overview](https://documentation.prc-saltillo.com/docs/touchchat-menus.md)
- [Word Finder](https://documentation.prc-saltillo.com/docs/word-finder-2.md)
- [Software Updates](https://documentation.prc-saltillo.com/docs/software-updates-3.md)
- [TouchChat Settings Overview](https://documentation.prc-saltillo.com/docs/touchchat-settings.md)
- [Head Tracking Setup](https://documentation.prc-saltillo.com/docs/head-tracking.md)
- [Switch Scanning Setup](https://documentation.prc-saltillo.com/docs/switch-scanning.md)
- [Voices and Pronunciations](https://documentation.prc-saltillo.com/docs/working-with-voices.md)
- [Setting Speak Preferences](https://documentation.prc-saltillo.com/docs/setting-speak-preferences.md)
- [Setting Orientation Preferences](https://documentation.prc-saltillo.com/docs/screen-orientation-preferences.md)
- [Restrict Access to Editing Menus](https://documentation.prc-saltillo.com/docs/restrict-access-to-editing-menus.md)
- [Delete Your PRC-Saltillo Account](https://documentation.prc-saltillo.com/docs/deleting-your-prc-saltillo-account.md)
- [Working with Vocabulary Files](https://documentation.prc-saltillo.com/docs/working-with-vocabulary-files.md)
- [Automatic Backups for Customized Files](https://documentation.prc-saltillo.com/docs/automatic-backups-for-customized-files.md)
- [Transfer or Back Up Vocabulary Files](https://documentation.prc-saltillo.com/docs/backing-up-customized-vocabulary-files.md)
- [Add or Remove Languages](https://documentation.prc-saltillo.com/docs/working-with-languages.md)
- [Speech Display Bar (SDB)](https://documentation.prc-saltillo.com/docs/speech-display-bar.md)
- [Word Prediction](https://documentation.prc-saltillo.com/docs/word-prediction-2.md)
- [Abbreviation Expansion](https://documentation.prc-saltillo.com/docs/abbreviation-expansion-1.md)
- [Editing Buttons](https://documentation.prc-saltillo.com/docs/editing-buttons-2.md)
- [Change Button Images](https://documentation.prc-saltillo.com/docs/changing-button-images-1.md)
- [Change Button Styles](https://documentation.prc-saltillo.com/docs/changing-button-styles-1.md)
- [Change Button Settings](https://documentation.prc-saltillo.com/docs/changing-button-settings-1.md)
- [Button Actions](https://documentation.prc-saltillo.com/docs/button-actions-2.md)
- [Move or Hide Buttons](https://documentation.prc-saltillo.com/docs/move-or-hide-buttons.md)
- [Pages](https://documentation.prc-saltillo.com/docs/working-with-pages-2.md)
- [Create a Special Page](https://documentation.prc-saltillo.com/docs/working-with-special-pages-1.md)
- [Whiteboard Pages](https://documentation.prc-saltillo.com/docs/whiteboard-pages-1.md)
- [Visual Scenes](https://documentation.prc-saltillo.com/docs/creating-a-visual-scene.md)
- [AI Features](https://documentation.prc-saltillo.com/docs/ai-features-1.md)
- [Monitor Language Growth with Data Logging](https://documentation.prc-saltillo.com/docs/language-development-data-logging-2.md)
- [Phone Calls - Telephony](https://documentation.prc-saltillo.com/docs/phone-calls-telephony.md)
- [Advanced Grammar Features](https://documentation.prc-saltillo.com/docs/advanced-grammar-features-1.md)
- [Acapela Voice Smileys](https://documentation.prc-saltillo.com/docs/adding-acapela-voice-smileys-1.md)
- [In-App Purchases](https://documentation.prc-saltillo.com/docs/in-app-purchases.md)
- [Welcome to TouchChat Discover](https://documentation.prc-saltillo.com/docs/welcome-to-touchchat-discover.md)
- [Getting Started](https://documentation.prc-saltillo.com/docs/getting-started.md)
- [Personalize Settings](https://documentation.prc-saltillo.com/docs/personalizing-settings.md)
- [Upgrade to a Full-Featured App](https://documentation.prc-saltillo.com/docs/upgrading-to-a-full-featured-app.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/compliance-information-10.md)
- [Unity AAC First Steps](https://documentation.prc-saltillo.com/docs/choose-a-voice-1.md)
- [Choose a Vocabulary](https://documentation.prc-saltillo.com/docs/choose-a-vocabulary-2.md)
- [Unity AAC Menus Overview](https://documentation.prc-saltillo.com/docs/unity-aac-menus-overview.md)
- [Word Finder](https://documentation.prc-saltillo.com/docs/word-finder-5.md)
- [Software Updates](https://documentation.prc-saltillo.com/docs/software-updates-6.md)
- [Unity AAC Settings Overview](https://documentation.prc-saltillo.com/docs/unity-aac-settings-overview.md)
- [Head Tracking Setup](https://documentation.prc-saltillo.com/docs/head-tracking-access-method.md)
- [Switch Scanning Setup](https://documentation.prc-saltillo.com/docs/switch-scanning-setup-1.md)
- [Voices and Pronunciations](https://documentation.prc-saltillo.com/docs/voices-and-pronunciations.md)
- [Setting Speak Preferences](https://documentation.prc-saltillo.com/docs/setting-speak-preferences-2.md)
- [Setting Orientation Preferences](https://documentation.prc-saltillo.com/docs/setting-orientation-preferences.md)
- [Restrict Access to Editing Menus](https://documentation.prc-saltillo.com/docs/restrict-access-to-editing-menus-3.md)
- [Working with Vocabulary Files](https://documentation.prc-saltillo.com/docs/working-with-vocabulary-files-3.md)
- [Automatic Backups for Customized Files](https://documentation.prc-saltillo.com/docs/automatic-backups-for-customized-files-3.md)
- [Transfer or Back Up Vocabulary Files](https://documentation.prc-saltillo.com/docs/back-up-customized-vocabulary-files.md)
- [Add or Remove Languages](https://documentation.prc-saltillo.com/docs/add-or-remove-languages.md)
- [Speech Display Bar (SDB)](https://documentation.prc-saltillo.com/docs/speech-display-bar-sdb-1.md)
- [Word Prediction](https://documentation.prc-saltillo.com/docs/word-prediction-5.md)
- [Abbreviation Expansion](https://documentation.prc-saltillo.com/docs/abbreviation-expansion-4.md)
- [Vocabulary Builder](https://documentation.prc-saltillo.com/docs/vocabulary-builder-2.md)
- [Editing Buttons](https://documentation.prc-saltillo.com/docs/editing-buttons-5.md)
- [Change Button Images](https://documentation.prc-saltillo.com/docs/change-button-images.md)
- [Change Button Styles](https://documentation.prc-saltillo.com/docs/change-button-styles.md)
- [Change Button Settings](https://documentation.prc-saltillo.com/docs/change-button-settings.md)
- [Button Actions](https://documentation.prc-saltillo.com/docs/button-actions-5.md)
- [Move or Hide Buttons](https://documentation.prc-saltillo.com/docs/move-or-hide-buttons-3.md)
- [Pages](https://documentation.prc-saltillo.com/docs/pages.md)
- [Create a Special Page](https://documentation.prc-saltillo.com/docs/create-a-special-page.md)
- [Whiteboard Pages](https://documentation.prc-saltillo.com/docs/whiteboard-pages-3.md)
- [AI Features](https://documentation.prc-saltillo.com/docs/ai-features-2.md)
- [Monitor Language Growth with Data Logging](https://documentation.prc-saltillo.com/docs/monitor-language-growth-with-data-logging.md)
- [Phone Calls – Telephony](https://documentation.prc-saltillo.com/docs/phone-calls-telephony-3.md)
- [Social Networking](https://documentation.prc-saltillo.com/docs/social-networking.md)
- [Acapela Vocal Smileys](https://documentation.prc-saltillo.com/docs/acapela-vocal-smileys.md)
- [Welcome to Unity Discover](https://documentation.prc-saltillo.com/docs/welcome-to-unity-discover.md)
- [Getting Started](https://documentation.prc-saltillo.com/docs/getting-started-8.md)
- [Personalize Settings](https://documentation.prc-saltillo.com/docs/personalize-settings.md)
- [Upgrade to a Full-Featured App](https://documentation.prc-saltillo.com/docs/upgrade-to-a-full-featured-app.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/compliance-information-9.md)
- [Dialogue AAC First Steps](https://documentation.prc-saltillo.com/docs/opening-dialogue-aac-for-the-first-time.md)
- [Choose a Vocabulary](https://documentation.prc-saltillo.com/docs/choose-a-vocabulary-1.md)
- [Dialogue AAC Menus Overview](https://documentation.prc-saltillo.com/docs/dialogue-aac-menus.md)
- [Word Finder](https://documentation.prc-saltillo.com/docs/word-finder-4.md)
- [Software Updates](https://documentation.prc-saltillo.com/docs/software-updates-5.md)
- [Dialogue AAC Settings Overview](https://documentation.prc-saltillo.com/docs/dialogue-aac-settings.md)
- [Head Tracking Setup](https://documentation.prc-saltillo.com/docs/head-tracking-2.md)
- [Switch Scanning Setup](https://documentation.prc-saltillo.com/docs/switch-scanning-2.md)
- [Voices and Pronunciations](https://documentation.prc-saltillo.com/docs/working-with-voices-2.md)
- [Create Profiles for Different Settings](https://documentation.prc-saltillo.com/docs/working-with-profiles.md)
- [Restrict Access to Editing Menus](https://documentation.prc-saltillo.com/docs/restrict-access-to-editing-menus-2.md)
- [Working with Vocabulary Files](https://documentation.prc-saltillo.com/docs/working-with-vocabulary-files-2.md)
- [Automatic Backups for Customized Files](https://documentation.prc-saltillo.com/docs/automatic-backups-for-customized-files-2.md)
- [Transfer or Back Up Vocabulary Files](https://documentation.prc-saltillo.com/docs/backing-up-customized-vocabulary-files-2.md)
- [Add or Remove Languages](https://documentation.prc-saltillo.com/docs/working-with-languages-2.md)
- [Speech Display Bar (SDB)](https://documentation.prc-saltillo.com/docs/speech-display-bar-2.md)
- [Word Prediction](https://documentation.prc-saltillo.com/docs/word-prediction-4.md)
- [Abbreviation Expansion](https://documentation.prc-saltillo.com/docs/abbreviation-expansion-3.md)
- [Editing Buttons](https://documentation.prc-saltillo.com/docs/editing-buttons-4.md)
- [Change Button Images](https://documentation.prc-saltillo.com/docs/replacing-button-images.md)
- [Change Button Styles](https://documentation.prc-saltillo.com/docs/changing-button-styles-3.md)
- [Change Button Settings](https://documentation.prc-saltillo.com/docs/changing-button-settings-3.md)
- [Button Actions](https://documentation.prc-saltillo.com/docs/button-actions-4.md)
- [Move or Hide Buttons](https://documentation.prc-saltillo.com/docs/move-or-hide-buttons-2.md)
- [Pages](https://documentation.prc-saltillo.com/docs/working-with-pages-4.md)
- [Whiteboard Pages](https://documentation.prc-saltillo.com/docs/whiteboard-pages-2.md)
- [AI Features](https://documentation.prc-saltillo.com/docs/clone-ai-features.md)
- [Monitor Language Growth with Data Logging](https://documentation.prc-saltillo.com/docs/language-development-data-logging-4.md)
- [Phone Calls - Telephony](https://documentation.prc-saltillo.com/docs/phone-calls-telephony-2.md)
- [Message Banking](https://documentation.prc-saltillo.com/docs/message-banking.md)
- [Advanced Grammar Features](https://documentation.prc-saltillo.com/docs/advanced-grammar-features-2.md)
- [Predictable 7 User Guides](https://documentation.prc-saltillo.com/docs/predictable-7-user-guides.md)
- [Safety and Compliance Information](https://documentation.prc-saltillo.com/docs/aeroswitch-specifications.md)
- [Battery Care and Replacement](https://documentation.prc-saltillo.com/docs/battery-care-and-replacement.md)
- [Cleaning and Disinfecting](https://documentation.prc-saltillo.com/docs/cleaning-and-disinfecting-7.md)
- [Turn AeroSwitch On/Off](https://documentation.prc-saltillo.com/docs/turning-aeroswitch-onoff.md)
- [Choose Broadcast or Keyboard Mode](https://documentation.prc-saltillo.com/docs/broadcast-or-keyboard-mode.md)
- [Using the Rotary Dial](https://documentation.prc-saltillo.com/docs/using-the-rotary-dial.md)
- [Connect AeroSwitch to a Device](https://documentation.prc-saltillo.com/docs/connecting-aeroswitch-to-device.md)
- [Disconnect AeroSwitch and Device](https://documentation.prc-saltillo.com/docs/disconnect-aeroswitch-and-device.md)
- [Customize the Cap Cover](https://documentation.prc-saltillo.com/docs/customizing-the-cap-cover.md)
- [AeroSwitch Outputs](https://documentation.prc-saltillo.com/docs/aeroswitch-outputs.md)
- [Accent](https://documentation.prc-saltillo.com/docs/accent-manuals.md)
- [NovaChat](https://documentation.prc-saltillo.com/docs/legacy-manuals-novachat.md)
- [ChatFusion](https://documentation.prc-saltillo.com/docs/chatfusion-manuals.md)
- [TouchChat Express](https://documentation.prc-saltillo.com/docs/touchchat-express-manuals.md)
- [PRiO](https://documentation.prc-saltillo.com/docs/legacy-manuals-prio.md)
- [Freedom Switch](https://documentation.prc-saltillo.com/docs/freedom-switch-instructions.md)