110 G12 OEM Board & Sensor Reference Manual
$PASHR,UDG
The response is output in the format:
$PASHR,UDG,s1,d2,f3,f4,f5,f6,f7,f8,f9,f10,f11,f12,f13*hh
where the fields (and the number of them) are defined in the above tables and
depend on the type of map projection selected.
USE: Satellites for Acquisition
$PASHS,USE,d1,c2
This command allows you to exclude specific satellites from being tracked, where
d1 is the satellite PRN number (01 - 32), or ALL to enable or disable all satellites.
c2 is N (exclude) or Y (include). All satellites are included for tracking by default.
Example:
Exclude satellites 13 and 21 from being tracked by the receiver (2 commands):
$PASHS,USE,13,N
$PASHS,USE,21,N
$PASHS,USE,ALL,c1
This command allows you to include or exclude all satellites simultaneously, where
c1 is Y (include) or N (exclude). In a case where several satellites were excluded
from being tracked, this shortcut command allows you to once again include all
satellites for tracking instead of constructing a lengthy command to re-enable those
specific satellites for tracking.
USP: Satellites Used in Position Computation
$PASHS,USP,d1,c2
This command allows you to select specific satellites to be used in computing
positions, where d1 is the satellite PRN number (01 - 32) or ALL (all satellites
simultaneously) and c2 is Y (include) or N (exclude).
Example
Enter the following command to exclude PRN 4 from being used in position
computation:
DEFAULT SETTING
USE—ALL
G12RevD.book Page 110 Tuesday, April 2, 2002 4:33 PM
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