Serial Data Specifications

a......... transceiver status:

R = normal receive

M = monitor selected

T = transmit enabled

S = stuck mic

s ......... squelch test setting:

0 = automatic

1 = test selected

Example Message

$PMRRC01G4LFR0F0<cr>

The active frequency is 119.100 MHz, the standby frequency is 124.550 MHz, normal receive function, automatic squelch selected.

This message is output once/second.

SOFTWARE VERSION

This message is used to output the com software version.

Message Format

$PMRRC03vvvv<chksum><cr>

03....... message id

vvvv... software version

Example Message

$PMRRC03010024<cr>

The software version is 01.00.

This message is output once at power up and by request.

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Apollo SL40 Installation Manual