tekmar 537 Thermostat User Manuals User Manual

Page 5

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U 537 - 12/11

Changing the Backlight

Press and

Hold and

together.

Step 1:

Press and hold the and buttons
to enter the Adjust Menu, and wait until
this screen appears (a new screen
will appear every 2 seconds).

Step 2:

Press the or button to adjust
the backlight operation.

Step 3:

Release all buttons and wait for the
display to return to normal operation.
The adjusted setting will be saved
in memory.

This thermostat has an LED backlight that can be configured as follows:

Off

Permanently Off.

Temporary on for 30 seconds (when a button is pressed)

Permanently On

On +

On during and off during

Changing the Units (°F or °C)

This thermostat can display temperatures in °F or °C.

Press and

Hold and

together.

Step 1:

Press and hold the and buttons
to enter the Adjust Menu, and wait until
this screen appears (a new screen will
appear every 2 seconds).

Step 2:

Press the or button to adjust
the units.

Step 3:

Release all buttons and wait for the
display to return to normal operation.
The adjusted setting will be saved in
memory.