5
English
MTH800 Overview
Controls and Indicators
The numbers below refer to the illustration on the inside front cover.
 Number Description
1 
Antenna
2 
Top Microphone 
Activated during half-duplex, high-audio calls such as 
Group Calls.
3 
External Antenna Connector
Used with the digital car kit to connect the RF signal to the 
external antenna.
(At the back of the MTH800)
4 
Colour Display
Provides alphanumeric text and images within 65,536 
colours and 130 x 130 pixels with backlight, scalable fonts, 
and contrast.
5 
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 (idle screen).
6 
Four-Way Navigation Key
Press up, down, left or right for list scrolling, while moving 
around the menu hierarchy, or for alphanumeric text 
editing.
7 
Audio Accessory Connector 
(At the side of the MTH800)
8 
Alphanumeric Keypad
Use the keypad to enter alphanumeric characters for 
dialing, contact entries and text messages.
9 
Bottom Microphone
Activated during half-duplex and full-duplex, low-audio calls 
such as Phone Calls.
10 
Accessory Connector
Provides connection for accessories.
(At the base of the MTH800)
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