DM588 Service Manual
2. External View and Keys
2.1.External View
SN Part Name SN Part Name
1 LED Indicator 2 Speaker
3 Menu/OK Key 4 Up/Down/Left/Right Key
5 Programmable Keys (P1~P3) 6
Hand Micro (and Programming Cable)
7 Emergency Alarm Key 8 LCD Screen
9 On/Off Key 10 Back Key
11 Volume/Channel Knob 12 RF ANT Interface
13 External Speaker Interface 14 3G/4G ANT Interface (Optional)
15 GPS ANT Interface (Optional) 16 Bluetooth ANT Interface (Optional)
17 Power Interface 18 PTT Key
2.2.LED Indicator
Red light on Transmitting signals
Green light on Receiving signals
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