VTech VT 4121 Telephone User Manual


 
20
1. Lamp (LED) Operation
Line Buttons
Off
Lamp is off when the line is not be-
ing used.
On steady
Lamp is on if the line is being used
by another extension.
Wink
Lamp will “wink” to indicate the line
you are talking on.
Slow flash
Lamp flashes slowly when an in-
coming call is ringing or you receive
a transferred call.
Fast flash
Lamp flashes fast when another
extension places that line on hold.
Very fast flash
Lamp flashes very fast when you
place a line on hold or you transfer
a call.
ICM Button
Off
Lamp is off when you are not using
the intercom.
On steady
Lamp is on steady when the inter-
com path is busy.
Wink
Lamp will “wink” when you are us-
ing the intercom.
Fast flash
Lamp flashes fast when an intercom
call is ringing at your phone.
Speaker Button
Off
Lamp is off when the telephone is
idle or you are using the handset.
On steady
Lamp is on if you are using the
speakerphone.
Slow flash
Lamp slowly flashes when you are
using Auto Busy Redial (while wait-
ing for the telephone to redial.)
Fast flash
Lamp flashes fast when the Auto
Busy Redial feature is used.
Wink
Lamp will “ wink” when you are us-
ing the headset.
Mute (Enter) Button
Off
Lamp is off when the telephone is
not muted.
On steady
Lamp is on when the telephone is
muted, the telephone is in the pro-
gramming mode or the telephone is
performing Auto Busy Redial.
Message Lamp
The lamp to the right of the CID keys
will:
BASIC OPERATION