Users manual
$GPNVS
Revision #:
R
Date:
8/25/20
Page #:
18 of 24
www.novuspower.com
1.12 Discipline Selection String ($GPNVS,13)
$GPNVS, 13,
n,
n,
n,
n,
n,
,
,
*
XX
1
2
3
4
5
6
7
8
9
10
# Description
Range
1.
Identifier
$GPNVS
2.
String ID
13
3.
Priority Discipline Source
0 = GNSS, 1 = 10MHz input, 2 = Optical input
4.
Current Discipline Source
0 = GNSS, 1 = 10MHz, 2 = Optical, 3 = Holdover
5.
GNSS Lock
0 to 3, 0 = Unlocked, 3 = Fully Locked
6.
RF Present
0 = No RF source, 1 = RF Source found
7.
Opto Present
0 = No Optical source, 1 = Optical Source Found
8.
Loop Lock
1 = Lock, 0 = Loop acquiring lock
9.
Reserved
10.
NMEA Checksum
*XX (xor’d value of bytes between $ and *)
Example:
$GPNVS,13,0,0,3,0,0,1,*5C
