26 | ST40 Compass Instrument Owner’s Handbook |
DEALER CALIBRATION
During normal operation
hold down 
and 
for approximately 12 seconds
Entry screen
Note:
If there is no key activity when the Entry screen is displayed, calibration will time out to normal operation after 5 seconds,
ST40 | COMPASS |
Calibration access 
CAL
ST40 | COMPASS |
If
If
Boat show | Factory |
|
mode | defaults CAL |
|
CAL |
|
|
| ST40 | COMPASS |
ST40 | COMPASS |
|
CAUTION:
Do NOT switch the Boat Show mode on. This function must only be used for demonstration purposes.
To save your settings and return to normal operation from any screen,
hold down 
and 
for approximately 2 seconds
Return to normal operation with factory defaults applied