0xbb – Trimble Outdoors SK8 User Manual
Page 123
Lassen-SK8 Embedded GPS Module
A-59
Trimble Standard Interface Protocol
A.17.59
Command Packet 0xBB
In query mode, Packet
0x
BB is sent with a single data byte and returns Report Packet
0x
BB.
TSIP Packet
0x
BB is used to set GPS Processing options. The table below lists the
individual fields within the
0x
BB Packet. See A.3 for information on saving the settings to
non-volatile memory.
Table A-67.
Command Packet 0xBB Query Mode Data Format
Byte
#
Item
Type
Value
Meaning
Default
0
Subcode
BYTE
0 x 03
Query mode
Table A-68.
Command and Report Packet 0xBB Field Descriptions
Byte #
Item
Type
Value
Meaning
Default
0
Subcode
BYTE
0x03
0x03
1
Operating
Dimension
BYTE
0
3
4
Automatic (2D/3D)
Horizontal (2D)
Full Position (3D)
Automatic
2
DGPS
Mode
BYTE
0
1
2 or 3
DGPS off
DGPS only
DGPS auto
DGPS auto
3
Dynamics
Code
BYTE
4
Land
Sea
Air
Stationary
Land
4-14
Reserved
Not used
15-18
Elevation
Mask
SINGLE
0.0 - 1.75
Lowest satellite
elevation for fixes
(radians)
0.0873 (5)
19-22
AMU Mask
SINGLE
Minimum signal
level for fixes
2.0
23-26
DOP Mask
SINGLE
Maximum DOP for
fixes
12.0
27-30
DOP Switch
SINGLE
Selects 2D/3D
mode
5.0
31-34
Reserved
Not used
35
DGPS Age
Limit
BYTE
Maximum time to
use a DGPS
correction
(seconds)
30
36-39
Reserved
BYTE
0
Not used