Volvo VNL Operator's Manual page 153

148 Graphic Display
Gauge test
MENU: System diagnostics, Cluster self
test, Gauge test
1 Select Gauge test.
2 The pointers move back and forth a
few times, between the end positions.
They stop at the mid-point of the
gauge before the test is complete, then
return to zero. This is only a check
that they can move (i.e. that the gauge
functions).
3 Esc cancels the test and the menu
Gauge test is shown again.
Display test
MENU: System diagnostic, Cluster self
test, Display test
1 Select Display test.
2 The display goes out, lights up, goes
out. In the odometer display, all seg-
ments are shown, then off, back on, off
again, and back to the normal display.
3 Esc cancels the test and the menu Dis-
play test is shown again.