MTH800 Overview
Controls and Indicators
The numbers below refer to the illustration on the inside front cover.
Number
1
Antenna
Top Microphone
2
Activated during Simplex, high-audio calls such as Group Calls.
External Antenna Connector
Used with the digital car kit to connect the RF signal to the external
3
antenna.
(At the back of the MTH800)
Color Display
4
Provides alphanumeric text and images within 65,536 colors and
130 x 130 pixels with backlight, scalable fonts, and contrast.
On-Off/End/Home Key
• Press and hold to turn the MTH800 On/Off.
5
• Press to end calls.
• Press to return to the Home display (idle screen).
Four Way Navigation Key
6
Press up, down, left or right for list scrolling, while moving around
the menu hierarchy, or for alphanumeric text editing.
Audio Accessory Connector
7
(At the side of the MTH800)
Alphanumeric Keypad
8
Use the keypad to enter alphanumeric characters for dialing,
contact entries and text messages.
Bottom Microphone
9
Activated during Simplex and Duplex, low-audio calls such as
Phone Calls.
Accessory Connector
10
Provides connection for accessories.
(At the base of the MTH800)
Speaker Control Key
11
Selects earpiece (low audio), PHF (low audio) or speaker (high
audio).
6
Description