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Acutime 2000 Synchronization Kit User Guide A-21
A Trimble Standard Interface Protocol
0x1E Command Packet 1E
Initiate Cold or Factory Reset
This command packet tells the receiver to perform either a cold reset
or a factory reset. A cold reset clears all navigation data (for example,
almanac, and ephemeris) stored in RAM and is equivalent to a power
cycle. A factory reset also restores the factory defaults for all
configuration and navigation parameters stored in non-volatile
memory. This packet can affect separately the configuration
parameters and navigation parameters. It contains one data byte equal
to one of the following ASCII letters: ‘K’, ‘F’, ‘C’,‘N’, or ‘R’.
"
Caution – The factory reset commands 0x1E-‘F’ and 0x1E-‘R’ will
delete the stored position and cause a self-survey to restart. All
almanac, ephemeris, current position, mode, and communication port
setup information stored in RAM is lost by the execution of these
commands.
0x1F Command Packet 1F
Software Versions Request
This packet requests information about the version of software
running in the Navigation and Signal Processors. This packet contains
no data bytes. The GPS receiver returns packet 45.
Table A-18 Command Packet 1E
Byte Item Type Value Response
0 Rest BYTE ’K’ (0x4B)
’F’ (0x46)
’C’ (0x43)
’N’ (0x4E)
’R’ (0x52)
Cold reset
Factory reset
Compatibility re-start for the Palisade
firmware version v7.02
Clear navigation data in EEPROM
and cold reset
Set configuration parameters in
EEPROM to factory defaults