152 DG14 and DG16 Board & Sensor Reference Manual
to N, default parameter settings will be restored at the next power cycle. You can
see whether user-entered parameters have been saved by issuing the
$PASHQ,PAR command and checking the SAV field.
User-enter parameters cannot be saved unless a back-up battery is wired to appropriate pins on the
J301 connector. Without a back-up battery, user-entered parameters will be lost after each power
cycle even if the SAV parameter is set to Y.
The DG16 has a “watchdog” timer. If the processor hangs up for any reason, the watchdog timer
will reset the receiver. On reset, the receiver parameters most recently saved using the set
command $PASHS,SAV will be used at startup following the reset. If parameter settings were not
saved, the default settings will be used at startup.
SCM: Smoothing Counter Mask
$PASHS,SCM,d1
This command sets the smoothing counter mask where d1 ranges from 0 to 100
seconds. If the smoothing counter mask is set to 30 seconds, and the DG16
acquires a new satellite, then the data from the new satellite is only used in
positioning after 30 seconds.
$PASHQ,SCM,[c1]
This command queries for the smoothing mask counter, where c1 is the optional
port designator for the output of the response. If a port is not specified, the receiver
sends the response to the current port.
$PASHR,SCM
The response is in the format
$PASHR,SCM,d1
where d1 ranges from 0 to 100 seconds
DEFAULT SETTING
SCM— 0
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