Raymarine Ray54E - Manual (Page 73)

Chapter 6: Menu Settings 63
6.3 Backlight Adjustment
This setting adjusts the backlight brightness for the LCD, microphone
keypad and main unit keypad. Choose from 8 brightness settings or OFF.
➤
To adjust the backlight setting:
1. Rotate the
CH knob until the arrow points to BACKLIGHT.
2. Push the
CH knob to accept. The Backlight screen appears.
3. Rotate the
CH knob to select the desired backlight level. The number of
blocks illuminated on line 3 of the dot matrix display indicate the level,
one through eight. For
HI all eight are illuminated; for OFF none are illu-
minated. Push the
CH knob to accept.
The Distress key backlighting is never turned OFF.
6.4 Contrast Adjustment
This setting adjusts the levels of LCD contrast. Choose from 8 settings.
➤
To adjust the contrast setting:
1. Rotate the
CH knob to scroll until the arrow points to CONTRAST.
2. Push the
CH knob to accept. The Contrast screen appears.
3. Rotate the
CH knob to select the desired contrast level. The number of
blocks illuminated on line 3 of the dot matrix display indicate the level,
one through eight. A larger number of blocks indicate a darker LCD. For
HI all eight blocks are illuminated; for LO none are illuminated.
4. Push the
CH knob to accept your selection.