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Dialog 4187 Plus78
Settings
The Dialog 4187 phone is equipped with a couple of setting
options, you can for instance set and adjust a personal volume and
ring signal.
Handset, headset and loudspeaker
volume
There are three separate volume settings, one for the handset, one
for the headset and one for the loudspeaker. Use the Volume keys
to adjust the volume of the handset, headset or loudspeaker during
a call.
• Adjust the handset listening volume when the handset is off
hook.
• Adjust the headset listening volume when the headset is
activated.
• Adjust the loudspeaker volume when dial tone is heard via the
loudspeaker.
ì Press to change the volume.
There are 8 steps from minimum to maximum level.