PNI TCM 2.6 - Manual (Page 23)

PNI Sensor Corporation DOC#1009269 r11
TCM2.5 & TCM2.6 User Manual Page 23 of 49
Request for Data Commands
Query Commands
c? (Compass Update)
Description Samples the magnetometer and inclinometer sensors, then calculates and returns
the compass heading. When in Standby mode (h) use this command to query the
compass reading regardless of whether compass data has been selected for
inclusion in the output word.
Syntax c?<cr>
Output when compass units are set to degrees:
$Cnnn.n[Ennn]*checksum<cr><lf>:<cr><lf>
when compass units are set to mils:
$Cnnn.n[Ennn]<cr><lf>:<cr><lf>
Resolution 0.1˚ or 2 mils
Valid Values 0 to 359.9˚ or, 0 to 6399 mils
Example If TCM2 is configured for degrees:
c?<cr>
$C255.5[Ennn]*checksum<cr><lf>:<cr><lf>
If TCM2 is configured for mils:
c?<cr>
$C4480[Ennn]*checksum<cr><lf>:<cr><lf>
Related Commands uc= (Set Compass Units)
ec= (Compass Data Enable)