syr All-in-One+ Connect Anleitung Zur Montage, Inbetriebnahme, Bedienung Und Wartung Seite 52

6.2.4. Battery and mains adapter
Place the battery (9V DC block) in the battery tray.
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Remove the cover by pushing it upwards and pull off the outer casing.
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Insert the battery or replace the spent battery.
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Plug in the mains adapter and establish the voltage.
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