CORRECT CRAFT Nautique 220 Owner's Manual page 105

Section 4
Voltmeter
Displays the System Voltage. There are no adjustments available.
Oil Pressure
Displays the current Oil Pressure. There are no adjustments
available.
Instrument Lights
The navigation light switch must be on for the instrument lights to
function. The L and M on the tachometer control the instrument
lighting intensity.
Press L to increase the light intensity. Press M to decrease the light
intensity.
4-30
Voltmeter Display
Oil Pressure Display
CORC129
CORC130
Correct Craft, Inc.