6 EN
• Select the function displayed on the
handset screen directly above the key.
n Loudspeaker
o Battery door
Overview of the base station
D450
a
• Press to nd handsets.
• Press and hold to enter the registration
mode.
D455
a Speaker
a
c
d
b
a
e
f
g
h
b
Turn the answering machine on or off.
c
• Delete the current playback message.
• Press and hold to delete all old
messages.
d /
Decrease/increase the speaker volume.
e /
Skip backward/forward during playback.
f
• Play messages.
• Stop messages playback.
g LED indicator
h
• Press to nd handsets.
• Press and hold to enter the registration
mode.