Hitachi EX1900-5 Operator's Manual page 63

Designations and Functions of Controls
7- Ventilation Shift Switch
8- Air Conditioner Switch
9- Air Conditioner Indicator
10- Temperature Control Switches
11- Temperature Indicator
12- Blower Control Switches
13- Blower Speed Indicator
Ventilation Shift Switch (7)
Each time ventilation shift switch (7) is pressed, ventila-
tion mode is shifted between
Circulation
Fresh Air
When the Fresh Air mode is selected, the cab is slightly
pressurized, preventing dust from entering into the cab.
Air Conditioner Switch (8)
Press air conditioner switch (8) to turn ON the air con-
ditioner. Press it again to turn it OFF.
Air Conditioner Indicator (9)
This indicator (9) will light when the air conditioner is
turned ON.
Temperature Control Switches (10)
Press temperature control switch
the temperature.
Press temperature control switch
the temperature.
Temperature Indicator (11)
The number of the lit LEDs indicates the relative tem-
perature of the air blowing out. The higher the number
of the lit LEDs, the higher the temperature of the air
blowing out is.
Blower Control Switches (12)
Control blower speed using these switches.
Each time blower control switch
the blower fan speed is increased from OFF to low, to
medium, and to high.
Each time blower control switch
the blower fan speed is decreased from high to me-
dium, to low, then it will be turned OFF. Lit part of
blower speed indicator (13) will move each time one of
these switches is pressed.
Blower Speed Indicator (13)
Each part of the indicator indicates blower fan speed as
follows:
When the OFF is lit: OFF
When the is lit: Low Speed
When the is lit: Medium Speed
When the is lit: High Speed
OPERATOR'S STATION
and .
(10) to increase
(10) to decrease
(12) is pressed,
(12) is pressed,
1-21
11
13 12
7
10
9
8
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