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Zsokztion Switch). This indicator must be
illuminated for any functions to operate.
HEAT INDICATOR
The Over Heat Indicator illuminates and an audible alarm sounds when an over-temperature
condition is detected. To reset, turn the warming unit OFF and then ON, either by the System
ON/OFF button (see Figure G), or by the Isolation Switch (see the section titled Isolation
Switch.
Also refer to the Warnings section of this manual.)
TEMPERATURE INDICATORS
The indicator bar illuminates up to the selected temperature level. When the warming unit is
initially turned on, the AMBIENT temperature level is automatically selected.
TEMPERATURE SELECT
Push this button to increase the temperature setting level by level to the desired setting. When the
temperature setting is at HIGH, push the button again to return the setting to AMBIENT
SYSTEM
ON/OFF
Push this button to turn the warming unit either ON or OFE The indicator directly above the
switch illuminates when the warming unit is ON.
MAIN POWER INDICATOR
The main power indicator illuminates when main power is applied to the warming unit and the
Isolation Switch is in the ON position (see the section titled
Wring Unit
OVER
500/OR,E
500/OR and
500/OR,E warming unit
Control Panel Features of the Model
500/OR and
ON/OFF
MAIN
POWER
Figure G. Control panel of
the Model
4MBIENT
SYSTEM
38'C
3VER HEAT
HIGH 43-C
MED
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