MX575A/B DGPS Compass
57
Partial Manual Tune Command ($GPMASK):
This command instructs the internal beacon receiver to tune to a specified
frequency and automatically select the correct MSK rate.
It has the following form:
$GPMSK,fff.f,M,,A,n<CR><LF
The internal SBX will reply with the following response:
$PCSI,ACK,GPMSK,fff.f,M,,A,n<CR><LF>
When this message is acknowledged by the internal beacon receiver, it will
immediately tune to the frequency specified and demodulate at the rate specified.
Field
Description
fff.f
Frequency in kHz (283.5 to 325)
M
Designates manual frequency selection
ddd
MSK bit rate (100 or 200 bps)
A
Designates Automatic MSK bit rate selection
n
Period of output of performance status message, 0 to 100 seconds
($CRMSS)
