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R R i i s s k k o o f f I I n n j j u u r r y y ! !
Always turn the unit off while refueling the truck. Fuel vapors could ignite if
they come in contact with electrical or heater components.
On/Off Knob
The left knob on the HMI face functions as the On/Off switch. Functions are
accessed by pressing the left knob.
T T u u r r n n S S y y s s t t e e m m O O n n : : If the system is off, press the left knob for at least 1 second
to turn the system on. Less than that is a bump that does not turn the system
on.
T T u u r r n n S S y y s s t t e e m m O O f f f f : : If the system is on, press the left knob for more than 2
seconds to turn the system off.
Other operation features can be accessed, depending on how long the left
knob is pressed. See "Driver Selectable Settings".
S S y y s s t t e e m m S S t t a a t t u u s s D D i i s s p p l l a a y y : : If the system is off, press the left knob for less than
1 second. Battery and alarm status will display.
N N o o t t e e : : Pressing the left knob for less than 1 second is referred to as a "bump".
Mode Selection
Mode selection is accomplished by rotating the left knob. It selects between
C C o o o o l l , F F a a n n , and H H e e a a t t operating modes. A mode icon will blink for a few
seconds then light indicating the selection. There will be a two second delay
TK 56460-19-OP-EN
D D A A N N G G E E R R
Figure 8. Press Knob for On or Off
O O p p e e r r a a t t i i n n g g I I n n s s t t r r u u c c t t i i o o n n s s
RCS1647
23
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