FM540 Service Manual
2. External Views and Key Features
2.1 Front Panel
No.
Part Name
No.
Part Name
1
Microphone/Programming Port
2
Volume Control Knob
Rotate the knob toadjust the volume
3
LCD Display
Refer to “LCD Display” section
4
P1 Key (programmable key)
5
P2 Key (programmable key)
6
LED Indicator
Red indicator glows: transmitting.
Red indicator flashes: emergency,
power-on self-test failure or program
auto upgrade failure.
Green indicator glows: signals are being
received or channel activities are
detected.
Orange indicator flashes: it is in call
hang time (digital).
Green indicator flashes: scanning.
7
Speaker
8
P3 Key (programmable key)
9
power on/off Button
Press (at least 2 seconds) the button to
power on/off the radio.
10
Return Key
Press the key to return
11
Down Key
12
Up Key
13
Enter Key
Page 2 of 99
Summary of Contents for FM540
Page 1: ...FM540 Service Manual FM540 㔤 ሱ䶒 I ...
Page 89: ...FM540Service Manul Figure 2 FM540 01 Top Layer Position Diagram 136 174MHz Page 86 of 99 ...
Page 90: ...FM540Service Manul Figure 3 FM540 01Bottom Layer Position Diagram 136 174MHz Page 87 of 99 ...
Page 101: ...FM540Service Manul Figure 8 FM540KEYTop Layer Position Diagram Page 98 of 99 ...
Page 102: ...FM540Service Manul Figure 9 FM540KEY Bottom Layer Position Diagram Page 99 of 99 ...
