Calibration / Zone Mode
Refer to Figure. With the ignition in the ON position, pressing and holding the Zone/Cal button (left reading lamp button) for 5-10 seconds will illuminate ZONE in the display. Releasing the button while ZONE is illuminated will enter the compass into the Zone Setting mode. The Compass/Temp Mirror will illuminate the Zone Variance number 1 to 15 that is stored in memory. While ZONE is displayed; momentarily pressing the Zone/Cal button advances the zone to the next higher zone. When the desired zone number is displayed, do not press the Zone/Cal button again. After 5 seconds, the Zone Variance number will be stored in the module memory.
With the ignition in the ON position, pressing and holding the Zone/Cal button for 10-15 seconds will toggle the CAL (calibration) mode between on and off. Releasing the button while CAL is displayed enters the compass into the calibration mode. See FIRST TIME CALIBRATION , MANUAL CALIBRATION , and CONTINUOUS CALIBRATION .
Pressing and holding the Zone/Cal button for 15-20 seconds and then releasing will exit the CAL mode and toggle the display to the current state of compass/temperature mirror use; OFF, Compass/Temperature F°, or Compass/Temperature C°.
Pressing and holding the Zone/Cal button for 20-25 seconds will enter the CTM into the self-check diagnostic mode upon releasing the button.
Holding the Zone/Cal button for longer than 25 seconds will cause the display to return to its current state with no changes.