SilverCrest SBKO 4.0 B1
20 - English
Rejecting call Press the multifunction
button (5) for at least 2
seconds until a beep
sounds
Redialling Press the multifunction
button (5) twice briefly
Voice control Press the + button (4) and
- button (6) at the same
time
Increasing volume* Keep the + button (4)
pressed
Reducing volume* Keep the - button (6)
pressed
Answering a new call
and putting the current
call on hold
Press the multifunction
button (5) briefly
Switching between two
calls (toggling)
Press the multifunction
button (5) for approx. 2
seconds until a beep
sounds
Ending current call and
retrieving call on hold
Press the multifunction
button (5) briefly
* A high or low beep can be heard when the maximum
or minimum volume is reached.