PH660 Radio Maintenance Manual
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7 Check After Maintenance
7.1 Check Latest Firmware Version and Device Information
Please refer to 2.2 Check Firmware Version and Device Information.
7.2 Function Check
After the radio maintenance, check if every function is available. Follow the steps:
1. After assemble the radio, check if all screws and components are installed, there should be no
extra screws.
2. Check if the touch feeling of button is normal for PTT button, up button, down button and top
button. Check if the volume knob and coding knob operate normally.
3. Install the battery and power on the radio to check that radio can power on normally and LED
indicator is normal.
4. Check if the keypad is normal and the key can respond normally to touch.
5. Connect the data cable to check if the radio can CPS read and write normally.
6. Turn coding knob to adjust radio frequency and set work mode to the same as another normal
radio, and make a voice call test to check if the call can be sent, received, and if the voice is
normal.
7. Finish checking.
