Key, Knob, and Button Overview
On-Off/End/Home Key
• Press and hold to turn the MTH800 On/Off.
• Press to end calls.
• Press to return to the Home display.
Soft Keys
Press
or
directly above the left or right soft key.
Menu Key
Menu key has two functions. Press
• The menu (when not in the menu). The MTH800 menus allow
you to control your MTH800 settings.
• Context sensitive menu (when
Idle screen) to view a list of items for the current menu.
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 control (default programming).
2. List control – the knob is used to scroll lists (e.g. Talkgroup lists)
or menu items. In this case volume control is always via the Side
keys.
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 Mode.
When the MTH800 is powered down, press and hold this
button to power On in Emergency Mode or in standard mode
(as programmed).
to select the option that appears in the display
to enter:
icon is on and while not on
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