Volvo Penta TAMD74A-A Operator's Manual page 15

Engines with electrical system cu2500f
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LCD screen
The control unit is equipped with an LCD screen, with
adjustable brightness and contrast. Analogue signals
are displayed graphical, as vertical and horisontal
bars, and as digital values. All actions are displayed
on the screen as text messages. The LCD screen
has four different views, as described under the head-
ing "View".
If the contol panel is not used for one hour, the
screen lighting will be shut down. By any event or but-
ton push, the display lighting will be turned back on.
Instruments on the LCD screen
1. Alarm text field
2. Vertical tachometer
3. Text field (current engine status)
4. Text field (control functions)
5. Text field (mode)
6. Horisontal gauges
The LCD screen contrast can be adjusted. This is
done by holding the LAMPTEST button down, while
pushing the UP or DOWN button. The UP and
DOWN buttons are marked with a half-moon, to sym-
bolize contrast adjustment.
Brightness can be adjusted in two steps, 1/1 or 1/2,
by holding the LAMPTEST button down when the
screen shows the instrument view or the alarm list,
and pushing the ACKNOWLEDGE button (marked
with a sun to symbolize brightness adjustment). The
screen will then change into the opposite brightness
position.
Buzzer off
Push the BUZZER OFF button to shut down the
buzzer signal that is activated when an alarm occurs.
The alarm that caused the buzzer to activate remains
active until acknowledged (please refer to chapter Au-
tostop on next page).
Note. Pressing and holding BUZZER OFF button tog-
gles day- and night light conditions (please refer to
previous page).
Control panel
13

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