HL_B2800_scan.book Page 48 Friday, August 29, 2003 1:28 PM
Topcom Butler 2800
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
•Press and hold the redial button 
for 3 sec.
•The display will show: ‘S’ for 100ms
or ‘L’ for 250ms
•The flash time setting will disappear after 2 sec. from the display
5.11 SETTING THE RING VOLUME AND MELODY
5.11.1 Handset melody
•Press and hold the melody button 
until the current melody is heard.
•Select the desired melody 
or by entering a number (1 - 9).
•Press 
again to confirm the setting
5.11.2 Handset ring volume
•Press the volume button 
in standby
•The handset will ring in the current volume
•Press 
to select the desired volume
•Press ’0’ to turn the volume OFF
Remark:
-You can turn the ringer volume of each individual handset ON or OFF by simply press and hold the key in standby.
-The base unit will never ring!
5.12 KEY LOCK
When the keypad is locked, pressing any key will have no effect during standby (except holding the 
key).
•Press and hold the 
key
•
appears on the display and the keypad is locked
•Press and hold the 
key again to
When there is an incoming call, you can still answer the call by pressing the Line button 
. During the call, the keypad functions as normal. When the call is ended, the keypad will be locked again
5.13 SETTING THE DIALLING MODE
There are two types of dialling mode:
DTMF/Tone dialling (the most common) (default)
Pulse dialling (for older installations)
To change the mode of dialling:
•Press and hold the flash R button to toggle between dialling modes: ‘P’ will appear when set to pulse or ‘T’ when set to tone (DTMF) dialling
•After 5 sec. the unit returns to standby
6. CALLER-ID FUNCTION (CLIP)
The Topcom B2800 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 20 telephone numbers (each of max. 25 digits). If the number is longer then 14 digits, you can press the 
key to show the other digits!
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