3-1-2 Section 3: Using Analog Instruments
ST290 Instrument System Owner’s Handbook
• Compass operation is described in Section 3, Chapter 3.
• Rudder Angle Indicator normal operation is described in Section 3,
Chapter 4.
• Setup routines for all analog instrument types are described in
Section 7, Chapter 4.
1.3 Display illumination
When an analog instrument is first powered up, the display illumination
is set to its lowest (courtesy) level, to facilitate initial access to the
buttons.
To adjust the level of display illumination:
1. Hold down the /DISP button for approximately 1 second, to enter
the Backlighting Adjust mode.
2. There are three preset illumination levels and an off setting. Press the
/DISP button to cycle through the these levels until you reach the
level you want.
3. Press any other button to leave the Backlighting Adjust mode.
Note: The digital display will return to normal operation 7 seconds after
the last button press.
81183_2 S3.book Page 2 Tuesday, May 6, 2003 8:41 AM
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