1775 IMU Technical Manual
17
User Commands
User Commands
In addition to the configuration commands described in
“Configuration Options” on page 14, the following commands are also
available to the user. For more information, refer to “Appendix C:
Electrical Signaling ICD” on page 31.
Figure 16: User Commands
All commands must be entered while the IMU is in Configuration
mode except “?bit”, “?bit,2”, (entered in Normal mode) and “=config”
(entered in Configuration or Normal mode).
Command Description
?bit Initiates a built-in test in Normal mode
?bit,2 Initiates a built-in test in Normal mode with extended
diagnostic information
=config Forces the unit into or out of Configuration mode
?config Reports whether or not the IMU is currently running in
Configuration mode
=echo
(or ?echo)
Reports how many times the echo command has been
called; useful for verifying communications to the unit
=help
(or ?help)
Displays a list of available commands
?is Reports the system serial number
=restart Restarts the IMU
=rstcfg Resets all user-configurable parameters to their factory
default values
?temp Reports the internal temperature of the IMU; detected by
the controller board
=TestFilt
(or ?TestFilt)
Tests the configured output filter response to a unit
impulse
?volt Reports all available voltages on the controller board
?ws Reports the software versions of IMU components
?logs Reports stored BIT diagnostic history
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