System Setup; Sound; Contrast - Lowrance 100 Installation And Operation Instructions Manual

SYSTEM SETUP

Many features are listed under the "System Setup" la-
bel on the main menu. These commands affect the ba-
sic operation of the unit. To use them, press the MENU
key, then "System Setup". The screen at right appears.
Audio/Screen
To turn the speaker off or on, adjust the contrast and
backlight, select "AUDIO/SCREEN" from the System
Setup menu. The screen shown below appears.

Sound

To turn the speaker off, highlight the "SOUND" label as
shown at right, then press the left arrow key. Note: This
turns the speaker completely off. The unit will not sound
a tone when a key is pressed, nor will any alarm sound.
The alarm messages will still flash on the screen, how-
ever.

Contrast

To adjust the display's contrast, highlight the "Contrast"
label. Press the right or left arrow keys until the screen's
contrast is best for the lighting conditions.
Backlight
The display has lights that can be turned on for night use. To turn the
lights on, simply press the PWR key. To turn them off, press the PWR key
again. A light bulb indicator on the satellite status screen shows when the
lights are on.
The default light level is maximum. To reduce the level, select "BACK-
LIGHT", then press the left arrow key until the lights are at the desired
level. To increase the light level, press the right arrow key.
The lights automatically turn off after 30 seconds to preserve the battery
power. It will do this even if the external power is applied to the unit. The
time delay is adjustable from 5 to 240 seconds by selecting Light Dly from
the System Setup menu . You can also turn the lights on continuously
from this menu. Highlight this menu, then press the right arrow key to
increase the time the lights are on, the left arrow key to decrease it.
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