O-9
Introduction
u
ON/OFF key and LED
For making on-hook calls and assigning speed dial numbers. The LED
lights up when the ON/OFF key is pressed or when a FF key is used to get
an exchange line and activate the monitor function.
i
LINE key
For making exchange line calls.
o
VOLUME key
For adjusting the LCD contrast, ringing volume, speaker volume and BGM
volume.
!0
HOLD key
For placing calls on hold or releasing intercom calls on hold. Also used for
storing SSD and PSD assignments.
!1
MIC key
For turning the built-in microphone on and off.
!2
CONF key
For making conference calls, or confirming entries of speed dial numbers
and FF key functions. It’s also used temporarily for releasing privacy of your
exchange line conversation.
!3
FF keys
For accessing a vacant exchange line, and a variety of other features.
!4
FF key indicator
Indicates the FF key is in use. It lights or blinks in green or red depending
on the features.
!5
ONE-TOUCH keys
For making exchange line calls or intercom calls to specific numbers.
1 to 10 indicate the number of ONE-TOUCH keys. (90) to (99) indicate PSD
codes.
!6
DND/CF INT LED
Lights up in green when Do-Not-Disturb or call forward has been set. Also
lights up in red when you make an intercom call, flashes quickly when you
have an intercom call on hold, and flashes slowly when you receive an
intercom tone call.
!7
MIC LED
Indicates the MIC key has been pressed to turn on the built-in microphone,
and on-hook answer is available. It blinks in handsfree speakerphone mode.
!8
Display(LCD)
Displays date and time when the telephone is not in use. During a call, it
displays the dialed number, PSD or SSD name, or extension name, as well
as the duration of the call. When you receive an intercom call, the extension
number or name of the caller is displayed.
Also displays guidance for feature assignments, absence messages, alarms,
the extension number of the telephone you are connected to, and other
information.
Note: Segment type display models (VB-9211DSUK, VB-9411DSUK) have
limited guidances compared to alphanumeric display model (VB-
9411ADSUK)
!9
Large LED
Blinks on reception of an incoming call.
Also, this LED blinks when Message Wait feature is assigned from other
extension.
LINE
VOLUME
HOLD
MIC
CONF
ON
/
OFF