Function Keys - Motorola MTM800 Feature User Manual

One-touch Private Call is set by the Service Provider.
1. If it is set to Simplex, then outgoing Private Call is Simplex
too.
2. If it is set to Duplex, then outgoing Private Call can be
duplex in TMO, Simplex in DMO with the last Group Call
Originator number.
3. If it is set to Duplex, then outgoing Private Call can be
duplex in TMO and cannot be initiated in DMO when the
phone book index is required.

Function Keys

External Alarm Key
To turn the External Alarm (Horn & Lights Alarm) on or off,
press
function by your Service Provide).
Use the Horn & Lights Alarm when you leave your car and
want to be alerted if an important message arrives (Private
Call, for example).
In order to operate the Horn & Lights Alarm, you must install the
GKN6272 accessory in your vehicle.
If the External Alarm function is pre-programmed, the car
lights turn on and an alarm sounds to inform you of the
incoming call.
The ignition must be off for the Horn & Lights Alarm to work.
Speaker Control Key
Press
function - if not programmed with another function by your
Service Provider.
Backlight Key
If the backlight is set to Manual, there are five profiles of
backlight intensity combinations (see "Setting the Backlight"
on page 122). To change the backlight intensity, press
(default function - if not programmed with another
to activate or deactivate the loudspeaker (default
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