Topcom BUTLER 900 - Manual (Page 4)

1
Safety instructions
E n g l i s h
1 Safety instructions
• Only use the charger plug supplied. Do not use other chargers as this may damage the battery
cells.
• Only insert rechargeable batteries of the same type. Never use ordinary, non-rechargeable
batteries. Insert rechargeable batteries so they connect to the right poles (indicated in the
battery compartment of the handset).
• Do not touch the charger and plug contacts with sharp or metal objects.
• The operations of some medical devices may be affected.
• The handset may cause an unpleasant buzzing sound in hearing aids.
• Do not place the basic unit in a damp room or at a distance of less then 1.5m away from a water
source. Keep water away from the handset.
• Do not use the telephone in environments where there is a risk of explosions.
• Dispose of the batteries and maintain the telephone in an environment-friendly manner.
• As this telephone cannot be used in case of a power cut, you should use a mains-independent
telephone for emergency calls, e.g. a mobile phone.
2 Keys
2.1 Cordless Handset
1. Line key
2. Call log/Scroll key
3. Int key
4. Mute key
5. Alphanumerical keys
6. Key lock key
7. Redial/Pause key
8. Volume/Melody key
9. Ringer ON/OFF key
10. Memory key
11. Handsfree key
12. Flash R/Scroll key