Lowrance electronic LMF-400 - Manual (Page 17)

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Tab pop up or highlight Set Threshold and press ENTER , to set a Trim
Tab threshold. The threshold for Trim Tabs ranges from 3% to 50%.
Stay-on Time: By highlighting Stay-on Time you are able choose how
long the RPM, Engine Trim and Trim Tab pages will be displayed when
their respective thresholds have been exceeded. To set the duration of
each display, highlight
S
TAY
-
ON
T
IME
and press ENTER. The Set Time
menu will appear, giving you the option to select a duration between 2
and 15 seconds. You need only set the Stay-on Time duration once since
it will affect all three categories (RPM, Engine Trim and Trim Tabs).
Basic menu with Screen highlighted (left). Screen option menu
(center) with Set Backlight window (right).
Screen
To access the Screen menu:
1. Press MENU , choose S
CREEN
and press ENTER . There are three options
from which to choose: Backlight, Contrast and Reverse Video.
Adjusting Backlight:
1. Select B
ACKLIGHT
and press ENTER to adjust the brightness of the
backlight. A vertical adjustment bar will appear on the Set Backlight
window. If more than one gauge is on the bus, it will automatically
adjust the other gauge to the same setting.
2. Use the UP and DOWN keys to set the backlight to a desired level.
3. Press EXIT to return to the Screen menu or ENTER to get back to the
main display.
Adjusting Contrast:
You can adjust the Contrast in the same manner as the Backlight.
1. Select C
ONTRAST
from the Screen menu and press ENTER to launch the
Contrast Adjust window.
2. Use the UP and DOWN keys to move the slider bar to a desired level.
3. Press EXIT to return to the Screen menu or press ENTER to get back
to the main display.