Siemens Gigaset M2 Professional Operating Manual page 3

Battery pack
• Only use approved Ex battery packs (see the "Permitted battery
packs" section in the operating manual). Ex authorisation is only
valid and the handset can only be used in conjunction with this
battery pack. Other battery packs are strictly prohibited. If they
are used, Ex protection is no longer valid.
• Never open the handset battery compartment in an Ex zone.
Battery pack removal, charging or transportation is not permitted
in these zones.
Charging the battery pack
• The battery pack may only be charged:
– outside the Ex zone
– while inside the handset
– using the supplied charging unit.
• The charging unit should only be used outside the Ex zone.
Headset:
• A corded headset may not be used in the Ex area. Only Ex au-
thorised Bluetooth headsets may be used. For more informa-
tion, consult your system administrator.
Safety notes
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