Specifications

VP ONCORE COMMAND REFERENCE
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POSITION-HOLD MODE SELECT (@@At)
NOTE: The input/output messages described here available only if VP
receiver options ‘A’, ‘B’, or ‘I’ are installed.
The Position-Hold Mode Select command enables/disables the
position-hold function for timing and real time differential applications.
The coordinates for the position-hold must be specified using the before
the Position-Hold Mode is enabled using the @@As Position-Hold-
Position command; the receiver will not use the current position fix
coordinates.
NOTE: The receiver must be in position-hold mode for the Time RAIM
algorithm (only available if Option ‘I’ is installed) to isolate and
remove bad satellite measurements.
Default value: Disabled
56 Synergy Systems, LLC 05OCT01