User guide

Safety notes 3
Safety notes
Handset
Batteries
Danger:
• Do not use the handset in potentially explosive atmospheres.
• To avoid mutual interference, do not operate the handset in the vicinity of electronic equip-
ment.
• Do not use the handset in wet rooms! Devices are not splash-proof.
• A transmitter signal is emitted by your handset. Please observe safety procedures for your
area.
Note:
The ringing tone, signal tones and speakerphone talking (speakerphone mode) are played
over the loudspeaker. Do not hold the telephone to your ear when it is ringing or if speaker
-
phone mode is switched on. Otherwise you may seriously impair your hearing.
Note:
• Information for hearing aid users: Radio signals can interfere in hearing aids.
• Please provide the operating instructions with the handset if giving it to another user.
Danger:
• Only use permitted batteries.
• Do not use conventional batteries. This can result in serious injury and material damage
(risk of explosion, degradation of battery cladding, functional interference and handset
damage).
• Avoid contact with fire and water.
• Only use the approved C39280-Z4-C373 power supply unit to operate the charging shell.