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Interactive Command Set
ENGINE
Use this command to read or set the current settings for the GPS engine.
Level 0
Level 1
Level 2
Level 3
334 SSU-2000 User's Guide
Not applicable
ENGINE xAy [ELMASK|POS|AVAIL]
Options are:
Use this option to read current elevation masks for the
ELMASK
GPS engine.
Use this option to read the current antenna position
POS
(latitude and longitude).
Use this option to show current satellite availability.
AVAIL
Same as Level 1 operation
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}
ENGINE xAy FREQ [{ADD|DEL} freqval]
Options are:
Use this option to read and set the current elevation
PMASK mask
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.
Use this option to set the positioning mask level. Lower
PMASK
mask levels provide the unit position with a better
PDOP.
Use this option to set the mask level to be used when
TMASK mask
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
Use this option to read and set the current antenna
POS
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.
12713020-002-2 Revision D – April 2004
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Troubleshooting
