APRS Motorola CDM & Kantronics KAM XL


Interface Motorola CDM & Kantronics KAM XL
KAM XL 9-Pin DB Connector (Port 2 - VHF)
Motorola CMD Accessory Connector
Pin Number
Description
Pin Number
Description
6
Ground
7
Ground
3
PTT
3
Microphone PTT (Input)
5
RX Audio
11
Flat/Filtered RX Audio 350 mV RMS @ 3KHz Deviation (Output)
1
TX Audio
2
Microphone Audio 80 mV RMS @ 3KHz Deviation (Input)
9
Ground
7
Ground
N/A
N/A
10
Ignition Control (Input)
N/A
N/A
13
Switched Battery Voltage 0.5 Amps Max (Output)
Transmit Drive Level of KAM XL
  • Connect to KAM XL over the serial port with a terminal program
  • Enter calibrate mode (cal)
  • Use the ‘T’ option to initiate a continuous signal
  • Use the ‘-‘ or ‘+’ keys to decrease or increase drive level
  • Make adjustments so that the transmitter produces about 3 kHz of deviation
  • Exit calibrate mode with the ‘X’ command

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