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Before starting operation of the device

HINWEIS

Read this operating manual attentively! It contains important information about

installation, ambient conditions and maintenance of the device. Keep this operating manual for

future use and for handover in the event of a change of owner or operator. A PDF version of this

manual is available to download on the ASTRO website (there may be a more recent version).

The ASTRO company confirms that the information in this manual was correct at the time of

printing, but it reserves the right to make changes, without prior notice, to the specifications, the

operation of the device and the operating manual.

Symbols used in these instructions

Pictograms are visual symbols with specific meanings. You will encounter the following pictograms in

this installation and operating manual:

Warning about situations in which electrical voltage and non-observance of the instructions in this

manual pose a risk of fatal injuries.

Warning about various dangers to health, the environment and material.

Recycling symbol: indicates components or packaging materials which can be recycled (cardboard,

inserts, plastic film and bags). Used batteries must be disposed of at approved recycling points.

Batteries must be completely discharged before being disposed of.

This symbol indicates components which must not be disposed of with household rubbish.

Operating Manual U 911...U 946-

Version 12-2021A

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