tekmar 512 Programmable Thermostat User Manuals - Manual (Page 6)

© 2009 U 512 - 09/09 6 of 8
DISPLAY LIGHTING
The display of the thermostat has a back light setting. The back lighting can be turned off,
turned on or set to operate temporarily for 60 seconds after any button is pressed.
To set the operation of the back lighting of the display, use the following procedure.
Step One: Press and release the Menu button until the Adjust Menu is reached.
Step Two: Press and release the Item button until the word LITE is displayed.
Step Three: Use the or button to select the desired back light operation.
NOTE: If the back light setting is temporary, the first press of a button turns on the back
light.
UNITS OF DISPLAY
To select between Fahrenheit and Celsius, use the following procedure.
Step One: Press and release the Menu button until the Adjust Menu is reached.
Step Two: Press and release the Item button until the current temperature unit begins
to flash.
Step Three: Use the or button to select between Fahrenheit and Celsius.
SETTING THE MODE OF OPERATION
Off: In the off mode, the thermostat does not operate the heating for the room.
Heat: In the heat mode, the thermostat operates to maintain the room at the required
heating temperature.
Cool: In the cool mode, the thermostat operates to maintain the room at the required
cooling temperature and ensures that the heating does not turn on.
Auto: This mode allows the thermostat to automatically switch between heating and
cooling the room as the air temperature requires. If a slab sensor is installed, the
floor maintains the minimum slab temperature even during cooling.