Changing The Battery - Computherm Q7 Operating Instructions Manual

8. CHANGING THE BATTERY

The average lifetime of the batteries is 1 year, but frequent use
of the background light may shorten this time considerably. If the
icon indicating low battery voltage appears on the display, the
batteries should be replaced (see Section 3.1). The exact time
should be set again after the batteries have been replaced, but
the device saves the program that has been loaded even without
batteries therefore there is no need to reprogram the device.
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