Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint32Item Description④ Blue Shortcut KeyLocated at the bottom right of the screen. Labelidentifies context-sensitive features.In the idle screen, this is used to save and check thecamera preset position, and corresponds to the Presetsoft key.⑤ Vol+ Increases the endpoint volume.⑥ Vol- Decreases the endpoint volume.⑦ Zoom out Key Decreases the camera zoom or the captured imagemagnifications. Behaves as page down in a multiple page list.⑧ Zoom in Key Increase the camera zoom or the captured imagemagnifications. Behaves as page up in a multiple page list.⑨ OK Key Confirms actions or answers incoming calls.⑩ Navigation Key In the menu screen, press or to changemenus, press or to select items. In the idle screen, pan and tilt the camera to adjustthe viewing angle.⑪ Mute Key Toggles the mute feature.⑫ Home Key Returns to the idle screen when in the menu screen. Enters the pre-dialing screen during a call.⑬ Video Source Key Switches the input source between Camera,Camera-PC, or PC.⑭ Off-hook Key Enters the pre-dialing screen. Places a call. Answers a call.⑮ Delete key Deletes one character at a time. Long press to delete all characters in the input field.⑯ On-hook Key Ends a call or exits from a conference call. Returns to the previous screen when not in a call.⑰ Keypad Enters digits.