TC-508 Service Manual
7
z Squelch Off
z Squelch Off Momentary
z Power Adjust
z Battery Strength Indicator
z Voice-operated Transmit (VOX)
z Channel Lock
Description of Modes
User Mode
It is a conventional communication mode. After the radio is turned on, it enters the User Mode.
PC Programming Mode
The radio in User Mode enters PC Programming Mode through specific protocol based communication
with the programming software. In this mode, radio functions and adjustment parameters can be set
through programming software (including User Version and Factory Version).
Wired Clone Mode
1. Description
Wired Clone Mode is an independent mode. To access other modes, you must restart the radio.
Wired Clone Mode includes Clone Mode and Factory Clone Mode.
1) Clone Mode:
Connect two radios using a clone cable. Hold down both SK1 and Power On/Off Key of the source
radio, it will be turned on and will enter User Clone Mode after 2 seconds. The target radio can be
directly turned on to enter user mode. In this mode, data stored in EEPROM of the source radio will
be cloned to EEPROM of the target radio. The data transferred only involves channel data and
common parameters, excluding adjustment data, version and serial No. of the model.
2) Factory Clone Mode:
Connect two radios using a clone cable. Hold down both SK1 and Power On/Off Key of the source
radio, it will be turned on and will enter User Clone Mode by default after 2 seconds. Press SK1
afterwards to switch to Factory Clone Mode. The target radio can be directly turned on to enter user
mode. The data transferred covers all data in EEPROM other than serial No, with flag of manual
tuning switch included.
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