Konftel 50 User manual
Conference phones for every situation
UK English
Quick Guide
Konftel 50 Conference Unit
3
secs
or
DESCRIPTION
Konftel 50 converts a system, DECT or mobile telephone into a conference telephone using
OmniSound®, Konftel’s unique technology for optimal sound quality. Konftel 50 can also be
connected to a computer and accessed using communication software, e.g. Skype®. The user
guide and Konftel’s website www.konftel.com offer suggestions for various accessories and
applications.
Adjusting the microphone volume
The microphone volume can be adjusted during the call, but to avoid disturbing
the call, it may be best to adjust it during a test call after the telephone has been
paired.
Press and hold the mute button for 3 seconds until the LEDs start to flash and
you hear a tone.
Increase the microphone volume using + and reduce it using –.
Adjust the microphone volume one level at a time until you can hear well in the
other end. Please note that too high a level may cause echoes and feedback.
Press the mute button to conclude setting the selected microphone volume.
Microphone, 360°
sound recording
Three LEDs
Green – microphone on
Red – microphone off
On/off
Answers
a call
-
Reduces
speaker volume
Mute
Switches off
the microphone
+
Increases
speaker volume
Trim
Tunes
the sound quality
Connection cable computer, 1.5 m
(Konftel 50–computer)
Connection cable electricity, 6 m
(Konftel 50–plug adapter)
Plug adapter
Connection cable elec-
tricity–mains socket
Switchbox
(Konftel 50–telephone
handset)
Cable duct
Power supply
Line connection
Connection cable telephone, 3 m
(Konftel 50–switchbox)
Only use the accompa-
nying Helms-Man plug
adapter
DEN4824129
DPX481821 (USA)
DBN4824129 (UK)
Holes for
wall bracket
Three speakers
123
6 m 3 m
Konftel 50
Plug adapter
Switchbox
or
0.5 m
CONNECTION TO SYSTEM TELEPHONE
Connecting
Connect Konftel 50 to the telephone via the switchbox as per the picture above.
Plug Konftel 50 in using the power adapter as shown in the picture.
Make a test call to check that everything works and to adjust the microphone
setting.
Answering a call
Answer the call using the telephone in the normal way.
Press the on/off button to switch on Konftel 50 and change to a speaker call.
The telephone headset is now disconnected.
Making a call
Lift the handset and dial the number.
Press the on/off button to switch on Konftel 50 and change to a speaker call.
The telephone headset is now disconnected.
Transferring a call between Konftel 50 and a telephone
Press the on/off button to switch off Konftel 50 and transfer the call back to
the telephone.
Adjusting the speaker volume
Increase the speaker volume using + and reduce it using -.
Ending a call
Hang up the handset.
Press the on/off button to switch off Konftel 50.
MIC-IN
LINE-OUT
Computer/sound
card
Konftel 50
Connection cable
computer, 1.5 m
Plug adapter
Pink
Green
Connection cable
electricity, 6 m
CONNECTION TO COMPUTER
Connecting
Konftel 50 functions as a speaker and microphone for all PCs. It can be connected
using a cable to the computer’s soundcard, or via a USB adapter (accessory). See
the handbook for more information on the last connection method.
Connect in the order specified below.
Connect Konftel 50 to the sound card using the accompanying Y-cable as per
the picture.
LINE OUTPUT ----------- OUT (Green)
MICROPHONE INPUT - IN (Pink)
Plug Konftel 50 in using the power adapter as shown in the picture.
Start the computer and switch on Konftel 50 (on/off).
Check and adjust the computer’s sound and volume settings. Please note
that you may need to adjust the microphone and speaker volume in both the
computer’s settings and on Konftel 50.
Using Konftel 50 with a computer
You can use Konftel 50 for programs that communicate over the Internet (e.g.
Skype). You make, answer and end calls in the program. Konftel 50 functions as a
speaker and microphone when it is switched on.
CONNECTING TO A MOBILE OR DECT TELEPHONE
Bottom of Konftel 50
Plug adapter
Mobile or wireless telephone
(DECT)
Mobile phone cable, 1.5 m
Mains outlet 120V
(230 V in Europe)
Only Helms-Man DEN4824129,
DPX481821 (USA) or
DBN4824129 (UK) may be used
Connection cable electricity, 6 m
Connecting
The Konftel 50 can be connected to a GSM or wireless DECT telephone using an
accessory cable, as illustrated. Cables are available for most models on the market.
Visit www.konftel.com for more information on accessories.
Plug Konftel 50 in using the power adapter as shown in the picture.
Connect the telephone to Konftel 50 as shown in the picture.
Adjust the microphone and speaker volume in the same way as when connect-
ing to system telephones.
Use
See “Connection to system telephone”.
3125-61-001 rev A
Developed by Konftel AB
Box 268, SE-901 06 Umeå, Sweden
Phone: +46 90 706 489 Fax: +46 90 131 435
E-mail: info@konftel.com Web: www.konftel.com
Konftel is a leading company within loudspeaker communication and audio technology. We develop
and sell products and technology for telephone meetings based on cutting-edge expertise within
acoustics and digital signal processing. Characteristic of our products is that all conference tele-
phones contain the same high quality audio technology – OmniSound® – providing crystal clear
sound. Learn more about Konftel and our other products on www.konftel.com
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