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A-30 Acutime 2000 Synchronization Kit User Guide
Trimble Standard Interface Protocol
A
0x35 Command Packet 35
I/O Option Flags Command
This packet requests the current I/O option states and optionally
allows the I/O option states to be set as desired.
To request the option states without changing them, the user sends the
packet with no data bytes included. To change any option states, the
user includes 4 data bytes with the values indicated below in the
packet. The I/O options, their default states, and the byte values for all
possible states are shown below. These option states are held in
non-volatile memory. The GPS receiver returns packet 55. Use
packet 8E-26 to save settings to EEPROM.
These abbreviations apply:
• ALT - Altitude
• ECEF - Earth-centered, Earth-fixed
• XYZ - Cartesian coordinates
• LLA - Latitude, Longitude, Altitude
• HAE - Height Above Ellipsoid
• WGS-84 - Earth model (ellipsoid)
• MSL geoid - Earth Mean Sea Level mode
• UTC - Universal Coordinated Time