Operation Of Backlight; Locking The Control Buttons - Computherm Q20 Operating Instructions Manual

Programmable, digital room thermostat

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operation according to the mode used before the holiday mode. Touch the

button if you wish to return to the previously used mode before the set time

expires.

9. OPERATION OF BACKLIGHT

By factory default the backlight of the thermostat automatically switches on for

15 seconds after touching any button. Regardless of the automatic backlight,

touching the

button you can switch on/off the backlight. If you touch any

button while the backlight is active, the backlight will go out only 10 seconds

after the last button has been touched.

You can modify the automatic backlight of the thermostat, the backlight of the

keys and the backlight brightness as described in Chapter 7.

You can switch off the control buttons of the thermostat to prevent the settings

from accidental or unauthorized modifications. Touching the

button for 2

seconds you can lock and unlock the control buttons. The

icon appearing/

disappearing in the right bottom corner of the display indicates the locked/

unlocked state of the control buttons.

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