V A L A V I O N I C S L T D
N A V 2 0 0 0 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
Pre-Release Issue
Page 29 of 29
Sept. 2013
“V” ..................... Message class. This is a VHF NAV message.
“35”.................... Message identifier.
mk ...................... Active frequency: m = MHz, where m = desired MHz frequency – 30h,
ranging from 118 to 136 MHz, 162 (i.e., 76h to 88h, A2h); k = (kHz
offset / 25 kHz) + 30h, ranging from 000 to 975 kHz steps.
mk ...................... Standby frequency: m = MHz, where m = desired MHz frequency –
30h, ranging from 118 to 136 MHz, 162 (i.e., 76h to 88h, A2h); k =
(kHz offset / 25 kHz) + 30h, ranging from 000 to 975 kHz steps.
a ......................... Transceiver status:
R = Normal receive
T = Transmit enabled
S = Stuck mic
F = Comm failure
s.......................... Squelch test setting: (ASCII) 0 = automatic; 1 = test
Example message:
$PMRRV35G4LFR0<chksm><LF>
Active frequency is 119.100 MHz, the standby frequency is 124.550 MHz, receiver function,
squelch is automatic.
COM SOFTWARE VERSION
This message is used to output the version string for the VHF COM receiver software.
Message format:
“V” ..................... Message class. This is a VHF NAV message.
“36”.................... Message identifier.
vvvv ................... Software version in ASCII
Example message:
$PMRRV300103<chksm><CR><LF>
COM software is version 1.03.