Volvo VNL Operator's Manual page 167

162 Graphic Display
Voltmeter
MENU: GAUGE, VOLTMETER
The battery/charging voltage is shown as in
the diagram. If the battery/charging voltage
becomes too low (below 9.5 V), the instru-
ment cluster will lose power.
Information message
Yellow INFO telltale
If the battery/charging voltage becomes too
high, the voltmeter's value is shown auto-
matically as well as the text TOO HIGH.
At the same time the yellow
tale under the display lights up.
INFO tell-
13.1 V
T3008832
TOO HIGH
T3008832
17.9 V
T3008860