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Chapter 3: Operation
Table 3-5: Parameters specific to $JATT command
Parameter Description Query Specify
COGTAU Set/query COG time constant (0.0 to 3600.0 sec) X X
CSEP Query antenna separation X
EXACT Enable/disable internal filter reliance on the
entered antenna separation
XX
FLIPBRD Turn the flip feature on/off X X
GYROAID Enable/disable gyro X X
HBIAS Set/query heading bias (-180.0º to 180.0º) X X
HELP Show the available commands for GPS heading
operation and status
X
HIGHMP Set/query the high multipath setting for use in
poor GPS environments
XX
HRTAU Set/query ROT time constant (0.0 to 3600.0 sec) X X
HTAU Set/query heading time constant (0.0 to 3600.0
sec)
XX
LEVEL Enable/disable level operation X X
MSEP Manually set or query antenna separation X X
NEGTILT Enable/disable negative tilt X X
NMEAHE Change the HDG, HDM, HDT, and ROT message
headers between GP and HE
XX
PBIAS Set/query pitch/roll bias (-15.0º to 15.0º) X X
PTAU Set/query pitch time constant (0.0 to 3600.0 sec) X X
ROLL Configure for roll or pitch GPS orientation X X
SEARCH Force a new GPS heading search X
SPDTAU Set/query speed time constant (0.0 to 3600.0 sec) X X
SUMMARY Display a summary of the current Crescent
Vector settings
X
TILTAID Enable/disable accelerometer, pre-calibrated X X
TILTCAL Calibrate accelerometers X
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