Wetekom 81 85 13, Инструкция по эксплуатации

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Operation
7. To cancel the deactivation, proceed in the same way, using the button
EIN/AUS in order to activate one or more programmes. When the icon
X is not shown anymore, the programme is activated again.
Resetting
You will find the reset button RÜCKSTELLUNG (5) on the upper right side
of the keypad. Press this button with a pointed device, e.g. a ball pen, to
erase all settings and to reset them to the factory settings.
Please do not use a pencil or a needle to press this button.
Strange Display
If you have strange display readings or if the display does not show
anything at all, although the batteries used are in good condition and they
have been correctly inserted, then press the button RÜCKSTELLUNG to
reset the timer switch to the factory settings.
Exchanging the Batteries
1. Use a suitable tool to lever the
battery holder out of the device.
The battery compartment is at the
same time the battery holder.
2. Remove the used batteries out of
the holder and replace them with
new ones of the same type
(LR44). Pay attention to the proper
polarity of the batteries. The
polarity is printed inside the battery
holder. When putting back the
battery holder, observe the
bevelled edges.