MTP850 Ex/MTP810 Ex
Quick Reference Guide
| Earpiece | |
Emergency Key | Antenna | |
(on top) |
| |
Rotary Knob | LED | |
(on top) | ||
|
| Top Microphone | |
Programmable |
| |
Side Key | Colour | |
| ||
| Display | |
PTT Button | Accessory | |
Connector | ||
Programmable | ||
| ||
Side Key |
| |
Soft Keys (2) | Menu key | |
Send Key | ||
Home Key | ||
|
Navigation Key
Speaker
Bottom 
Speaker Control
MicrophoneKey
Turning MTP850 Ex/MTP810 Ex On/Off
To power the MTP850 Ex/MTP810 Ex on/off, press and hold 
.
Using MTP850 Ex/MTP810 Ex Menu System
• To enter the menu, press MENU .
•To scroll through the menu, press 
or 
.
•To select a menu item, press Select soft key or 
.
•To return to previous level, press Back or 
.
•To exit the menu items, press 
.
Selecting Trunked/Direct Mode Operation
•Your terminal may be configured with a
•From the Home display press Optns, select Trunked Mode or Direct Mode.
Making a TMO Group Call
From the Home display navigate to the desired group. Press Select soft key (if configured). Press and hold PTT. Wait for the talk permit tone (if configured) and talk. Release PTT to listen.
Making a DMO Group Call
Enter DMO. Navigate to the desired group. Press Select soft key (if configured). Press and hold PTT. Wait for the talk permit tone (if configured) and talk. Release PTT to listen.
Making TMO Emergency Group Call
Enter TMO. Press and hold the Emergency button. Emergency alarm is sent automatically. Press and hold PTT. Wait for the talk permit tone (if configured) and talk. Release PTT to listen. If using “Hot Mic” feature, wait for the Emgncy Mic On message to appear on the display and talk without pressing PTT.
To exit Emergency Mode, press and hold Exit soft key.
Making DMO Emergency Group Call
Enter DMO. Press and hold the Emergency button. Press and hold PTT. Wait for the talk permit tone (if configured) and talk. Release PTT to listen. To exit Emergency Mode press and hold Exit soft key.
Making TMO Half-duplex Private Call
From the Home display dial a number. Press CType to select the call type.