Abell A720T, Service Manual

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A720T (VHF) Service Manual V1.0
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Notice
：

When data is written into EEPROM, the data stored in PC must conform with model of radio. Turn on power of
radio only on condition that the software must run and cable must be connected.

In the course of transmitting or receiving data, do not press [PTT] key.
Programming cable (optional):
Connect A720T with PC using programming cable.

Programming S/W
ABELL A720T programming software (installed) allow users to conduct programming setting on A720T through
programming interface cable.

Program on PC
If use PC with ABELL two way radio programming for transmitting data to radio, the setting destination data (basic
communication parameters) can all be modified. as the value is automatically generated in setting frequency
range(frequency type), generally it is not necessary to change destination data. the value can be changed only in
necessary condition. The data in form of RS-232C can be input into EEPROM, in this mode, the function of PTT line
can be served for sending and receiving data.