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5.10 Flash button (R)
When you press the R button, also called flash or recall, the unit
generates a line interruption (of 100 ms or 250 ms). It gives you the
possibility to use the special services of your telephone provider and/or
to transfer calls when you have a telephone exchange.
5.10.1 Setting the Flash time
Set the switch on the bottom of the base in the desired position!
5.11 Setting the ring volume
Press the volume button a few times in standby until the
desired handset ring volume is heard.
Remark: The Base ring volume cannot be set!
6. CALLER-ID FUNCTION (CLIP)
The Butler 2500 displays the telephone numbers of incoming calls.
This function is only possible if you are subscribed to a
telephone operator that provides this service. Contact your telephone
provider for more information. When you receive a call, the numbers
are saved in a Call list. This list can hold 10 telephone numbers (each
of max. 10 digits). If the number is longer then 10 digits, only the
last 10 digits are shown and stored!
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B2500_DUO_v3scan.QXD 03-01-2003 12:34 Page 78