9. TROUBLESHOOTING
Problem Possible cause Solution
No Display Batteries not charged Check the position of
the batteries
Recharge the batteries
No dialling tone Telephone cable not Check the connection
properly connected of the telephone cable
Volume of Adjust the volume
conversation during the
partner too low conversation by
pressing the volume
key
Handset ringer Adjust the ringer
volume volume during
too low standby by
pressing the volume
key
10. TECHNICAL DATA
Range: max. 300 m in open space
max. 50 m in buildings
Dialling options: DTMF (tone)
Batteries: 2 x 1.2V, 300 mAh AAA Type
NiCd rechargeable
Max. standby time: approx. 200 hours
Max. talk time: 9 hours
Ambient temperature: +5 °C to +45 °C
Permitted relative air humidity: 25 to 85 %
Power supply base adapter: 220/230V , 50 Hz
ENGLISH
15
Butler 2700/DUO