OPERATION
The status and operation of the RT300 is clearly
shown on the large backlit Liquid Crystal Display
(LCD). This display allows the user a clear indication
of the current room temperature, and the status of
the heating system.
There are few user controls for the RT300, making
this thermostat very easy to operate. These controls
are shown below, along with a description of each
of their functions.
USER CONTROL FUNCTION SUMMARY
Key / Operation Symbol Functions
UP key Increases the selected setting
DOWN key Decreases the selected setting
BACKLIGHT / Manually turns on the LCD backlight
FROST key for 5 seconds, or activates /
deactivates Frost Protection
RT300 INSTRUCTION MANUAL
8
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