HumanTechnik scalla3 combo Manual De Instrucciones página 53

Permanent display
backlight on / off
switch
Connection socket for
special accessories
such as vibration pad
and/or supplementing
modules
Audio output
(3.5 mm)
OFF ON
DC 7.5V
Signal selector
switch
Switch to adjust the volume
reset (ON/OFF) (see page 57)
Buttons to adjust the
ringer volume
Headset connec-
tion
(2.5 mm)
Connection socket
for plug charger
Connection socket for
phone receiver cable
Connection socket
for phone cable
Switch for the display
»New call« on/off
English 53