RED PT500-2, Service Manual

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PT500-2 Service Manual
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RX squelch 9 close level
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RX squelch 1 open level
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RX squelch 1 close level
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RSSI(-120dBm)
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RSSI(-70dBm)
Firmware Upgrading Mode
The radio is equipped with an internal FLASH ROM, it can be upgraded if required.
1. Connect the radio to the PC with a proper programming cable, then power on the radio.
2. Run computer programming software.
3.
Select the right “com port” you connected and the upgrading firmware and then click on
“E.P” to start downloading. 4. Turn off the radio and exit the programming software.