NavCom LAND-PAK Rev.N - Manual (Page 43)

Technical Reference Manual Rev. N
Blk = All; Blu = IOP w/Internal Radio ; Red = IOP & LBM ; Grn = Engine only
41
0x22 - CMR Control - Variable Length
Request output of CMR message 0, 1 and 2.
1. Wn1 through Wn2 is repeated for each block, as applicable. CMR0 is the Observables.
CMR1 is the reference station’s position. CMR2 is the description of the reference site.
2. No blocks come out if the reference position has not been installed with message
0x51 (Self Survey Block).
3. These blocks require a RTK Base license for sending and a RTK Rover license for
receiving
4. The 0x5f message can be used to configure a wrapper port using the ‘C’ preamble.
Record
Usage Command - Yes
Response - No For CMR: (Wn1,Wn2,Wn3) should be (0x00, 0x00, 0x0nnn), (0x01, 0x00, 0x00nn)
For CMR+: (Wn1, Wn2, Wn3) should be (0x05, 0x00, 0x0001)
Ref Message Field Description Data Type Units Range Scale
Byte
Count
STX 02 (hex) U08 1
PRA1 99 (hex) U08 1
PRA2 66 (hex) U08 1
ID 22 (hex) U08 1
Length 0x00xx U16 2
W1
Command Action
B1=1: Store in NVRAM
B3=1: Use default values
B4=1: Clear all present CMR
messages
U08 1
W2 Reserved U08 1
Repetitive Blocks
Wn1
CMR message ID U08 1
Wn2 Reserved U08 1
Wn3
Data rate
0x0000: Turns off the message
0x0001: to 0x1fff Data Rate
0x2xxx: is not used
0x4000: on Change
0x8xxx: is not used
U16
seconds
Hz
n seconds
1
2
CKSM Checksum U08 1
ETX 03 (hex) U08 1