PH660 Radio Maintenance Manual
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7) Wait the installation to complete. Click Finish to end one-click upgrade procedure.
8) An icon will be on desktop after installation.
2. Radio Upgrade
1) Connect the radio to the PC through the data cable;
2) Double click the upgrade tools icon to run it;
3) The radio enters into the flash burn mode, press the PTT button and TK button (on the top) at
the same time, and rotate the volume knob to power on the radio, the radio enters into the upgrade
mode;
