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TK 56460-19-OP-EN
23
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AN
NG
GE
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R
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Riisskk o
off IIn
njju
urry
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.
Figure 8. Press Knob for On or Off
RCS1647
T
Tu
urrn
n S
Sy
ysstte
em
m O
On
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
Tu
urrn
n S
Sy
ysstte
em
m O
Offff:: 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
Sy
ysstte
em
m S
Stta
attu
uss D
Diissp
plla
ay
y:: If the system is off, press the left knob for less than
1 second. Battery and alarm status will display.
N
No
otte
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
Co
oo
oll, F
Fa
an
n, and H
He
ea
att operating modes. A mode icon will blink for a few
seconds then light indicating the selection. There will be a two second delay