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English user manual - Radiod
d
ity GD-73
v1.0
Page 48 of 56
Firmware update for GD-73
1. 1. Make sure that the radio is not initially connected to the PC via a USB
cable and is turned off.
2. Press and hold the PTT button. At the same time, press the on / off switch
to turn on the GD-73. The red status LED lights up. Now you can release
the keys
3. Only now connect your GD-73 to your PC using a conventional USB cable
(USB-A to micro-USB).
4. Then start the previously installed update program as administrator
5. You should see “walkie-talkie-C7000” selected for your Com Port
6. Then select the desired firmware file
7. Click on Write to start the update process
8. Progress of the update will be shown by a green bar and percentage meter