Raymarine ST40 Owner's Handbook Manual page 15

6
Adjusting display backlighting and contrast
Hold down for 1 second to enter Adjust Backlight mode
for 2 seconds to move through Adjust Backlight mode and enter Adjust Contrast mode
to adjust contrast,
press
for 1 second
ADJUST BACKLIGHTING
During normal operation, press
The current backlighting level is displayed.
Select the required backlighting level then:
ADJUST CONTRAST
During normal operation, press
via Adjust Backlighting
The current contrast level is displayed.
Select the required contrast level then
press
or wait for 5 second timeout
Normal operation
ST40 Bidata Instrument Owner's Handbook
for 1 second
for 2 seconds
or
to return to normal operation,
or
press
or wait for 5 second timeout
Normal operation
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