Synergy 4100 – Issue 5 – Edition 1 – 18.01.07 – 7993
10Getting to know your phone
Handset buttons
Option button (middle) In standby or talk mode, press to open the Phonebook, page 21.
Option button (left) In standby or talk mode, when the 
symbol is displayed, press to open the Calls list, page 40.
In menu mode, press to go back to the previous screen.
Menu/Volume +/Scroll Up In standby mode, press to access and scroll through the menu options, page 13.
In talk mode, press to increase the handset earpiece volume, page 16.
Use to scroll up through the phonebook and Calls list.
Talk / Handsfree In standby mode, press to make or receive calls, page 15.
In talk mode, use to switch handsfree on and off, page 17.
Recall/Call Waiting/Intercom For use with a switchboard/PBX and BT Calling Features.
Menu
12 
4 
5 
7 
8 
0
Calls light
Illuminates when the line is in use.
Flashes when receiving a call.
Display with backlight
Option button (right)
In talk mode, press to switch mute on/off, page 17.
In menu mode, press to confirm a displayed option.
End call/ Delete/Keypad lock In talk mode, press to end a call, page 15.
In entry mode, press to delete digits.
In menu mode, press and hold to exit and return to standby page 13.
In standby mode, use to lock the keypad, page 20.
Calls/Volume -/Scroll Down
In standby mode, press to access and scroll through the menu options, page 13.
3In talk mode, press to decrease the 
handset earpiece volume, page 16.
6Use to scroll down through the
phonebook and Calls list.
9Keypad
Use to enter digits and characters.
For use with Call Waiting, page 43.
In standby mode, use to make an internal call, page 67.
R
Int
LNR
Last number redial/Pause
In standby mode, use to redial any of the last 20 numbers called, page 18.
In talk mode, press to enter a pause in a number, page 80.
If you experience any problems, please call the Helpline on 0870 605 8047 or email bt.helpdesk@suncorptech.com