V A L A V I O N I C S L T D
I N S 4 2 9 I N T E G R A T E D N A V I G A T I O N S Y S T E M
I N S T A L L A T I O N A N D O P E R A T O R ’ S M A N U A L
Revision 3
Page 31 of 31
May 2013
Example Message:
$PMRRV71;?<chksum><CR><LF>
This example command shows the volume level at 11 and the squelch at 15.
M
IC GAIN AND
S
IDETONE
This command is sent anytime there is a change in either the volume or squelch settings, or is requested by
using a Request Data Output "24" command.
Message format:
"V".............. Message class - VHF NAV Message
"72"............. Message Identifier
"ms" ............ Volume level and Squelch Level:
m = mic gain level in encoded hexadecimal, where m = desired level + 0x30
with a range between 1 - 20
s = sidetone level in encoded hexadecimal, where s = desired level + 0x30
with a range between 1 - 20.
Example Message:
$PMRRV72;?<chksum><CR><LF>
This example command shows the mic gain level at 11 and the sidetone at 15.
