Charging The Standard Batteries; Tone Dialling − Dtmf - AUDIOLINE STUDIO 60 Bedienungsanleitung

4.5

Charging the standard batteries

Place the handset, with its display facing the front, in the base station for at least 14 hours.
The charging control lamp on the base station lights up. Failure to charge the standard
batteries properly can lead to telephone malfunction.
The rechargeable standard batteries in the handset have a maximum standby time of
85 hours at room temperature. The maximum talk time is 10 hours.
The current battery charge status is indicated in the display:
aA
Full
4.6 Tone dialling − DTMF
This telephone implements the tone dialling method − DTMF (Dual Tone Multi Frequency).
Advantages of this modern dialling method include short connection times, remote control
options for other equipment, such as an answering machine, and the use of other ISDN
services.
− Starting Up −
Bb
Half empty
Cc
Weak
dD
Empty
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