Volvo VNL Operator's Manual page 154

Buzzer test
MENU: System diagnostic, Cluster self
test, Buzzer test
1 Select Buzzer test.
2 On the display, the name of the cur-
rent sound is shown at the same time
as the sound is activated. With the
up/down buttons you can switch be-
tween the different sounds.
Three different sounds (flasher indica-
tor, reminder and caution) are tested
for 10 seconds.
The caution sound is connected to the red
STOP telltale.
3 Esc cancels the test and the menu
Buzzer test is shown again.
Graphic Display 149