Siemens HiPath 3000 Operating Instruction page 3

Battery pack:
Only use the approved battery pack (see  page 167). Ex
•
authorisation is only valid and the handset can only be operated
if this battery pack is installed. 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 If they are used, Ex protection is no longer valid.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 zone. Only Ex
authorised Bluetooth headsets may be used. For more
information, consult your system administrator.
USB cable connection:
• Data may not be transferred via USB cable in the Ex zone.
Safety notes
3