Wetekom 851411, Инструкция по эксплуатации

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14
Using
There values can be recalled by pressing the MEMORY button
repeatedly. MIN and MAX are displayed along with the minimum
and maximum values.
Cleaning and Storing

Only use a soft, lit free lightly moistened cloth to clean the
housing of unit. Do not use aggressive chemicals or abrasives
and do not use liquids.

Do not use force on the LC display when cleaning it.

Carefully clean the optical sensor with a soft brush or with clean
compressed air.

If you do not plan to use the unit for some time, please remove
the battery.

Store the unit indoors out of the reach of children in a place that
is protected from moisture, dust, dirt and extreme temperatures.