Komatsu PC88MR-10 Shop Manual page 424

30 Testing and adjusting
Electrical system
Upper part of machine monitor (display portion)
(a): Multi-information display
a When the engine is started, the battery voltage
may drop suddenly, depending on the ambient
temperature and the condition of the battery.
In this case, the screen display of the machine
monitor may go off for a moment. This
phenomenon is not a failure, however.
Upper part of machine monitor (switch portion)
[F1]: F1 Function switch
[F2]: F2 Function switch
[F3]: F3 Function switch
[F4]: F4 Function switch
[F5]: F5 Function switch
[F6]: F6 Function switch
a The function of each function switch is indicated
by the icon which is displayed just above the
function switch on the screen of the multi-
information display panel (a).
a If the icon for a function switch is not displayed,
that function switch is not working.
Lower part of machine monitor (switch portion)
[1]: Numeral 1 input switch/Auto-deceleration switch
[2]: Numeral 2 input switch/Working mode selector
switch
[3]: Numeral 3 input switch/Travel speed selector
switch
[4]: Numeral 4 input switch/Alarm buzzer stop
switch
[5]: Numeral 5 input switch/Wiper switch
[6]: Numeral 6 input switch/Window washer switch
[7]: Numeral 7 input switch/Air conditioner switch
[8]: Numeral 8 input switch/Air conditioner switch
[9]: Numeral 9 input switch/Air conditioner switch
[0]: Numeral 0 input switch/Air conditioner switch
Switch having no numerals : Air conditioner switch
a Each switch has the function indicated by the
icon on it and the function of inputting a numeral.
a The machine monitor automatically judges which
function of each switch is currently enabled
according to the screen display of the multi-
information display panel (a).
30-74 PC88MR-10