ZUM Radio troubleshooting guide
Copyright 2019-2020 ZUM Radio, Inc
11
Rev 1.0
Using MMDVMCal
NOTE: MMDVMCal will test Tx/Rx on ZUMspot boards and the MMDVM-Pi boards. The ZUM AMBE
Server board is not supported.
1. Turn on a radio and set it to 433.000 MHz and set it to analog mode.
a. If you want to test VHF (for ZUMspot Dual Band only) try using 145.615MHZ
2.
Boot up pi-star
3.
Go to
Configuration
->
Expert
->
SSH Access
4.
Login to pi-star
5.
Type in the following command:
sudo pistar-mmdvmcal
6. You will see this menu
7. Press the spacebar on your keyboard to do the transmit test
8.
The red PTT LED should turn on. You should hear a tone on the radio. This shows that
the transmit function of the board is working
9.
Press the spacebar to stop the transmit test.
10.
Press the “s” key on your keyboard for the RSSI test (RX test)
a. RSSI test will not work on MMDVM-Pi board
11.
Press the PTT button on the radio.
