Powering On/Off (On-Off/End/Home Key); Powering On (Emergency Button) - Motorola TETRA MTP850 Feature User Manual

Number
17 Programmable Side Keys 1 and 2
Default programming: upper Side key activates/deactivates
Backlight; lower Side key activates Screen Saver.
(See also No. 19)
18 Push-To-Talk Button (PTT)
Press and hold this side button to talk in half-duplex calls, release it
to listen.
Press to send status and text messages.
19 Earpiece
20
Programmable Rotary Knob
Default programming: "Dual" - Press the knob to toggle between
"volume" and "list". Side keys (No. 17) operate as programmed.
21 Programmable Emergency Button (on top of the MTP850)
Press and hold to enter Emergency mode, and send Emergency
Alarms (as programmed). Press and hold to start an Emergency
Private Call (half-duplex or full-duplex).
When the MTP850 is Off, press and hold to power on in Emergency
Operation or in standard mode (as programmed).
Before using your MTP850 for the first time, remove the plastic lens
protector from the display, and charge battery overnight to ensure
battery is initialised to it's full capacity.

Powering On/Off (On-Off/End/Home Key)

To power On, press and hold
self-check and registration routine. After successful
registration, the MTP850 is in service.
To power Off
the Powering Off message is displayed.

Powering On (Emergency Button)

Press and hold the Emergency button to power On.
The MTP850 will power On in Emergency Operation or in
standard mode (as programmed).
Description
press and hold
,
. Your MTP850 performs a
. You will hear a beep and
11