Compass Calibration Procedure

Variance Settings:

Variance is the difference between magnetic North and geographic North. To adjust the compass variance set the CMTC to Compass/Temperature mode and press RESET buttons for 5 seconds. The symbol VAR and the current variance zone number will be displayed. Press the STEP button to select the proper variance zone. Press the US/Metric button to save the new vanance zone and normal CMTC operation. If the RESET button is held for 10 seconds instead 5 seconds the CMTC will set variance to 8 and enter the fast calibration mode.