81
Commands
PDP: PDOP Mask Value
$PASHS,PDP,d1
This command allows you to set the value of the PDOP (Position Dilution of
Precision) mask, where d1 is a number between 0 and 99. The receiver stops
computing positions when the calculated PDOP value exceeds the PDOP mask
value. You can view the current PDOP mask setting by entering the $PASHQ,PAR
command and checking the PDP field.
Example
Enter the following command to set the PDOP mask to 30:
$PASHS,PDP,30
PEM: Position Elevation Mask Value
$PASHS,PEM,d1
This command allows you to set elevation mask for position computation, where
d1 is 0 to 90 degrees. Default is 5 degrees. A satellite with an elevation less than
the elevation mask setting is excluded from position computations. You can view
the current elevation mask value by entering the query command $PASHQ,PAR
and checking the PEM field.
Example
Enter the following command to set the elevation mask to 15 degrees:
$PASHS,PEM,15
PHE: Photogrammetry Edge Mode
$PASHS,PHE,c1
This command allows you to synchronize the photogrammetry trigger to the rising
edge or the falling edge of the timing pulse, where c1 is either R (rising edge) or F
(falling edge). Default is R.
DEFAULT SETTING
PDP—40
DEFAULT SETTING
PEM—5°
G12RevD.book Page 81 Tuesday, April 2, 2002 4:33 PM
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