12713020-003-2 Revision F.01 – January 2007 SSU-2000 Technical Reference 205
Chapter 3 ICS Command Reference
ENGINE
ENGINE
Use this command to read or set the current settings for the GPS engine.
Level 0 Not applicable
Level 1
ENGINE xAy [ELMASK|POS|AVAIL]
Options are:
ELMASK Use this option to read current elevation masks for the GPS
engine.
POS Use this option to read the current antenna position
(latitude and longitude).
AVAIL Use this option to show current satellite availability.
Level 2 Same as Level 1 operation
Level 3
ENGINE xAy [PMASK mask][TMASK mask]
ENGINE xAy POS [lat lon ht][AVG n]
ENGINE xAy TDATA [ON|OFF|CLR]
ENGINE xAy PDOP {1-10}
Options are:
PMASK mask Use this option to read and set the current elevation masks
for the GPS engine. The masks change to avoid attempting
to track satellites that are below a portion of the sky that
might be blocked by the terrain.
PMASK Use this option to set the positioning mask level. Lower
mask levels provide the unit position with a better PDOP.
TMASK mask Use this option to set the mask level to be used when not in
survey mode. This is usually set to a higher level than
positioning because of timing degradation of the GPS
signals at low elevations. Valid mask levels are from 0 to 60
degrees
POS Use this option to read and set the current antenna
position. In addition, you can set the maximum number of
averages to perform on the position calculations.
POS [lat lon ht] [AVGn]
Same as Level 1 operation, with the addition of being able
to set the current position and or the number of averages to
use when calculating a position.
lat Antenna latitude. The decimal point determines the input
format. For example, the format is dd:mm:ss.ss for entering
30:27:49.8 seconds.
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