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Intelligent communications
User guide
Conference unit Konftel 50
Following parts included:
Konftel 50
Item nr 910101040
ENGLISH
Switchbox incl cable 0.5 m
Item nr 900101042
Transformer
Item nr 900102056 (Universal)
or 90102026 (Europe)
826102026 (GB)
900102048 (AUS)
Connection cable power, 6 m
Item nr 900103355
Connection cable tele, 3 m
Item nr 900103316
Connection cable PC, 1,5 m
Art nr 900103318
Contents
Connection to telephone .................. 2
Volume setting telephone......... 3
Call .............................................. 4
Mute ............................................. 5
Trimming......................................... 5
Connection to PC ............................ 6
Volume setting PC................... 7
Call ........................................ 8
Troubleshooting............................... 9
Accessories................................... 10
Technical data .............................. 11
ENGLISH
1
Connection to telephone
Only mains transformer of Helms-Man DEN4824129 or DBN4824129 (UK)
may be connected.
ENGLISH
1 2
6 m 3 m
Microphone
LEDs
Loudspeakers
Mute button
On/off button
- button
+ button
Trim button
3
IMPORTANT
The microphone volume is to be adjusted when installing. See next page.
2
and
Volume setting telephone
Lift the handset, make a call and put the
handset to one side.
Switch to loudspeaker by turning on your
Konftel 50.
and
and
Volume setting for loudspeakers
Set the volume in the loudspeakers with the
help of the - and + buttons. Note that the
system telephone volume control affects the
volume in the Konftel 50 loudspeakers.
Volume setting for microphone
Keep the mute button pressed in for about 3
seconds until the LEDs start flashing and you
hear an uninterrupted tone.
Press – or + to adjust the microphone
volume.
Speak with a normal calling voice and the
receiving party can then ask you to increase or
decrease the volume. Change the volume one
stage at a time.
Press the mute button when you have finished
setting the volume.
ENGLISH
The volume setting is saved in the event of
power failure.
3
Call with Konftel 50
ENGLISH
and
and
and
Dialling
Lift the handset, make a call and put it to one side.
Switch to loudspeaker by turning on your Konftel 50.
Finish the call by putting down the handset and
turning off Konftel 50.
Answer call
Answer in your normal telephone when it rings, and
switch to loudspeaker mode by turning on your
Konftel 50. Put the handset to one side.
Out of courtesy, inform the receiving party that the
call is now on loudspeaker.
Switch between handset and loudspeaker
You can change back to using the handset at any
time during the call by turning off your Konftel 50.
4
Call with Konftel 50
Mute function
Switch off the microphone, the LEDs change from
green to red. The receiving party can now not hear
what you are saying. Switch on the microphone by
pressing the button again.
Automatic trimming
Konftel 50 is automatically trimmed to eliminate
echoes when it is turned on. It also senses changes
in your room and continually adapts itself during the
course of the call.
Manual trimming
Konftel 50 can be manually trimmed at any time to
eliminate any echoes. Press the trim button. You
hear a short noise.
ENGLISH
5
Connection to PC
ENGLISH
Connection to PC
Konftel 50 is connected to a sound card on a PC or Macintosh as shown in the
figure.
Note: To obtain full duplex speech, you must have an appropriate sound card.
PC/Soundcard
Pink
Green
MIC-IN
LINE-OUT
Connection cable
pc/video
power socket
Mains transformer
Konftel 50
Only mains transformer of
Helms-Man DEN4824129 or
DBN4824129 (UK) may be
connected.
230 V
Connect in the following order:
1. Connect Konftel 50 to the sound card with the accompanying Y cable.
If the sound card does not have a Mic input, the Line input is used instead.
LINE OUT ....... OUT ......... GREEN ARROW
LINE IN .......... IN ............ BLUE ARROW
MIC IN ............IN ............ PINK ARROW
2. Connect Konftel 50 to the transformer. Connect the transformer to the
power socket.
6
Volume setting PC
Volume setting loudspeakers
Konftel 50 has a default setting that is advisable to follow when setting the volume in the
Microsoft Volume Control in the PC.
Select Volume control from the Start menu:
Start>Programs>Accessories>
Multimedia>Volume control.
Volume setting for loudspeakers
Select Options>Properties>Play.
Adjust the volume for Line-out (or PC-Speaker).
The volume can be adjusted via Konftel 50
whenever necessary.
ENGLISH
Volume setting for microphone
Select Options>Properties>Record.
Adjust the volume for MIC-in (or Line-in).
The microphone volume can be adjusted via
Konftel 50 whenever necessary.
See section: Volume setting telephone.
7
Call via PC
A description of how calls are made via a PC follows
below.
Note that there may be variations between different
software and computers.
ENGLISH
Dialling with PC
Turn on Konftel 50 for loudspeaker function.
Call with the PC.
The call is completed by interrupting the dialling
with the PC and turning off Konftel 50.
Incoming call
Turn on Konftel 50 for loudspeaker function.
Answer with the PC.
The call is completed by interrupting the call with
the PC and turning off Konftel 50.
8
Troubleshooting
Some of the problems that may arise when using Konftel 50 are described below.
Calls are audible through the telephone headset but not through Konftel 50
1. Is Konftel 50 properly connected? See the page on connecting
telephone.
2. Are the LEDs red? If so the mute button is activated. Press in
to deactivate.
3. Are the LEDs green? Check the selector switch position on the bottom of
the switchbox. The Selector switch position can be set to I or II
depending on the system telephone you connect your Konftel 50 to.
Manufacturer PBX type Selector
switch position
ERICSSON MD110 I
FENIX I
NORTEL MERIDIAN 1 I
COSMOS I
PHILIPS SOPHO II
ERGOLINE I
ALCATEL 4200 I
I
I
I
I
I
I
4400 I
SIEMENS HIPATH I
HICOM I
ENGLISH
For other switch types, first select position I and then position II.
4. Have you added extension cables to the system?
Remove them and reconnect to see if the system is working.
9
Troubleshooting, maintenance, accessories
Poor sound quality, echo
1. Check the position. The unit is designed to stand flat on the table. Avoid
moving it around during call. Neither should it be placed too close to a wall or
under objects such as lamp shades or leaves from potted plants.
2. Trim Konftel 50 manually. See the page on manual trimming.
3. Is the volume setting correctly set? See page on volume setting for
microphone.
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4. Does the receiving party have a conference unit, sound card or software
which cannot handle full duplex?
5. When the unit is connected to a PC, radio frequency interference may cause
discernible sound. The sound will end when the interference stops.
Can I connect a headset?
Instead of a handset you can connect a headset to the switchbox. You may now
switch between making a call via the headset or Konftel 50 via the On/off button.
Note that the headset must be adapted to suit your telephone system.
Calls are audible through the PC headset but not through Konftel 50.
Check that the software and sound card can handle full duplex.
10
Maintenance
Clean the equipment with a dry, soft cleaning cloth. Do not use fluid!
Accessories
Art no Designation
9142008 Extension cable tele, 10 m.
9146032 Extension cable power, 10 m.
9146030 Wall bracket.
900102058 Connection to PC, USB adapter (2003).
GSM/DECT connection cables, see www.konftel.com, Accessories Konftel 50.
Technical Data
Central unit
Power supply: Transformer 12 V DC/230 V AC, 700 mA
Input: Analogue line in/out, modular 6/6.
Rec (loudspeakers) -10 dBV (adjustable).
Send (microphone) -30 dBV (adjustable).
Loudspeaker volume: Adjustable in 15 stages.
Microphone volume: Adjustable in 5 stages for optimal effect.
Room echo damping: 208 ms.
Line echo damping: 38 ms.
Environment: Adapted for room <30 m
Reverberation time in room <500 ms.
Background sound <45 dBA.
Operating temperature 5 – 40° C.
Dimensions: Diameter 232 mm.
Weight: 700 grams.
Switchbox
Input telephone handset: Modular 4/4.
Input Konftel 50: Cable, Modular 6/6.
Output telephone: Cable, Modular 4/4. Contact for connection of the
switchbox to the system telephone may only be
connected to SELV voltage in accordance with
SS-EN60950.
Compatibility: Can be connected to digital system telephones in the
following switches:
Ericsson MD110, Fenix.
Nortel Meridian 1, Cosmos.
Philips Sopho, Ergoline.
Alcatel 4200, 4400.
Siemens HiPath, Hicom.
Avaya Definity
Other makes Contact your distributor.
2
.
ENGLISH
Cabling PC
Y cable: 1 x Modular 6/4, 2 x Tele 3.5 mm. Contact for
connection of Konftel 50 to a PC may only be
connected to SELV voltage in accordance with
SS-EN60950.
11
Konftel Technology 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 telephones contain the same high quality audio technology ñ OmniSoundTM ñ providing crystal clear sound. Learn more about Konftel Technology and our other products on
www.konftel.com
Developed by Konftel Technology AB
Box 268, SE-901 06 Umeå, Sweden
Phone: +46 90 706 489 Fax: +46 90 131 435
E-mail: infor@konftel.com Web: www.konftel.com
3101 rev B
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