Raymarine ST40 Depth Instrument Owner's Handbook Manual page 35

Chapter 4: Calibration
Boat show
mode
To save your settings and return to normal operation from any screen,
hold down
DEALER CALIBRATION
During normal operation
hold down and
Entry
screen
Calibration
access
CAL
CAUTION:
Do NOT switch the Boat Show mode on.
This function must only be used for
demonstration purposes.
and for approximately 2 seconds
for approximately 12 seconds
Note:
If there is no key activity when the Entry screen
is displayed, calibration will time out to normal
operation after 5 seconds,
CAL
If
Factory
defaults
27
Return to
If
normal
operation
with factory
defaults set
CAL
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