17
Getting Started
Rotary Knob
The Service Provider can program the Rotary knob to one of
the following uses:
1. Dual Control - the knob is used as both a Volume control
and to scroll through Lists. Press the knob to toggle
between Volume and List (default programming).
2. List Control - the knob is used to scroll lists or menu items.
In this case volume can be controlled only via menu or via
external accessories (if present).
3. Volume Control - the knob is used only as a volume
control; turn clockwise to increase the audio volume level.
Press and hold the Rotary knob to lock it, press and hold it
again to unlock. Powering Off also unlocks a locked Rotary
knob.
Emergency Button
Press and hold this button to enter Emergency Operation.
When the MTM800 Enhanced is powered down, press and
hold this button to power On in Emergency Operation (if
configured by your Service Provider).
See “Emergency Operation” on page 67.
Programmable Keys (0-9, * and #)
The MTM800 Enhanced supports the one-touch feature that
allows you to select/activate commonly used features by
pressing and an assigned key. Your Service Provider should
program the numeric keys with the relevant features.
The following table lists the programmable features and their
availability in specific MTM800 Enhanced states/modes. For
detailed information on the features, see the relevant section
in the user guide.
Feature Description
Talkgroup Switch Switches to a specific talkgroup
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