Section 4 – SR-2 Operation
Soft Keys
The four “soft” keys under the display are multi-purpose keys. Their function changes
depending on the operation being performed. If a soft key is active the key function is shown in
the display directly above the key.
Typical soft key functions:
MENU
NEXT
BACK
YES
NO
+
-
SELECT EXIT
CLEAR
HELP
HOUR
METERS SENSORS
GAUGES
Display Heater
The HMI control panel is equipped with a display heater. This heater is needed to make the display visible in cold
ambient temperatures.
The HMI has its own internal temperature sensor for the display heater. The heater is energized when the unit is
turned on and the ambient temperature is below 29.4°F (-2°C). The heater turns off when the temperature
sensed by the internal sensor rises above 37.4°F (+3°C). The heater draws from 1.4 to 1.7 amps when
energized.
The colder the ambient temperature the longer it will take for the heater to make the display visible on a cold
startup. It may take 10-15 seconds for the display to appear with very cold temperatures.
4-5
31 January 2005
Summary of Contents for SR-2 SmartReefer2
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Page 7: ...Tab goes here and the next page should be GREEN Section 1 Safety...
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