TMQ AP4 Autopilot (AP4S10) 50 of 62 Version 4.96 9/10/2017
Release both buttons
Rotate COURSE knob until display reads 903
Press TIMER button
The system will do 2 beeps before returning to normal heading.
If an electronic compass is connected, it will also receive a command for
resetting its calibration.
AP4 Special Modes
AP4 Special modes are internal settings which allow different operations to be
performed by the AP4. Also, special modes allow certain parameters to be set
which control the AP4 operation.
To Enter Special Modes
Switch AP4 to SET
Press and hold pressed the GPS button
Press TIMER button – display reads 900
Release both buttons
Rotate COURSE knob until required mode is shown on the display
Press TIMER for displaying the value of the special mode
Rotate COURSE knob for adjusting the value
Press TIMER to save the display value and exit the special modes
Special Modes Display Selection
901 Start compass calibration – page 48.
902 Store compass calibration – only for COMMAG.
903 Return to factory default calibration – page 49.
904 Factory test for calibration – factory technician only
905 Set rudder limits – page 45.
906 Set commercial watch alarm – pages 10 and 18.
907 Control calculation period for NO RFU (default: 9) – Sets the
period between two subsequent calculations for the control without