Isuzu FVM - Page 349

5-5
COMFORT AND CONVENIENCE
NOTE
The " " sign advises you to place the air source lever in the outside air
ventilation position when using the "
", " ", " " position to defog the
windshield.
•
2. Air source lever
NOTE
Extended use of the inside air recirculation position causes the windshield and
windows to fog up easily, making visibility poor.
•
3. Fan speed control knob
The fan speed can be adjusted to any of the 4 speeds available.
Lever
position
Purpose
Outside air
ventilation
Use this position to ventilate the cab interior. (This
position should be normally selected.)
Inside air
recirculation
Use this position to prevent dusty or otherwise
contaminated outside air from entering the cab. (such
as in a tunnel or in congested traffic.)
Outside Air Ventilation
Turn the outlet selector knob (1) to the
preferred position. Move the air source
lever (2) to the "
" position.
Adjust the fan speed control knob (3) to the
preferred speed.
Ventilation
1 3
2
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