LiGo KONFTEL 55 User Manual
KONFTEL 55
SET UP & USER GUIDE
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The Konftel 55 User Guide
ENGLISH
2
OmniSound® HD – superior sound quality
The patented OmniSound® audio technology guarantees an impressive and crystal-clear
full-duplex audio, allowing you to speak in two directions for effective participation in
virtual meetings. The sound is transmitted clearly and powerfully to all attendees thanks
to a hypersensitive microphone with 360° audio pick-up and speakers.
OmniSound® HD delivers HD audio during VoIP calls. It also incorporates automatic echo
cancellation and noise suppression, which minimises background noise interference, and
an equaliser for personal adaptation of the audio properties. This means you can move
about freely in the room, talking, discussing and debating with others without any loss of
audio quality and without any annoying sound clipping, damping or echoes. It's as close to
real sound as you can get.
Konftel AB hereby declares that this conference phone is in conformity with all the essential requirements and other relevant provisions of Directive 1999/5/EC.
Please visit www.konftel.com/doc to read the declaration in its entirety.
Warning!
Do not expose the Konftel 55 to water or moisture.
Warning!
Do not open the casing of the Konftel 55.
Warning!
Only use the power adapter provided to connect the unit to the mains.
1
CONTENTS
Introduction 2
Maintenance ................................................................................... 2
Description 3
General ........................................................................................... 4
Bridge connection ............................................................................ 6
Battery ........................................................................................... 6
Using the Konftel with a desktop phone 7
Connecting to a desktop phone ......................................................... 7
Making calls .................................................................................... 8
Using the Konftel with a mobile phone 9
Cable connection to a mobile phone .................................................. 9
Making calls .................................................................................. 10
Using the Konftel with a computer 11
Connection to a computer ............................................................... 11
Using the Konftel with a computer .................................................. 12
Using multiple connections 13
Bridge connection 14
Adjusting the volume ...................................................................... 14
Using a headset 16
Recorder capability 17
Recording ..................................................................................... 17
Listening to a recording .................................................................. 18
Settings 19
Changing languages ....................................................................... 19
Adjusting sound effects .................................................................. 20
Changing connection settings ......................................................... 21
Changing system settings ............................................................... 24
Upgrading software 25
Upgrading from a PC...................................................................... 25
Upgrading via an SD card ............................................................... 26
Technical data 27
2
The Konftel 55 is a conference unit that can be connected to your desktop phone, your
mobile phone and your computer to obtain crystal-clear, powerful OmniSound® HD audio
in your virtual meetings.
• OmniSound® HD audio technology with full duplex, echo cancellation and static reduc-
tion in full bandwidth (20–24000Hz). (The telecommunications network technology
limits the bandwidth when communicating via the telecommunications network.)
• Support for UC solutions, such as Microsoft® Lync®.
• LCD high-resolution display with touch buttons, where the interface changes according
to the connections you make.
• Mobile phone connection via a mobile cable (accessory).
• Connection to a desktop phone via a Konftel desk phone adapter (accessory) which
makes it easy to move the sound between the handset and conference phone.
• USB connection to a computer or another USB device that supports handsfree
connection.
• Automatic detection of USB playback/VoIP calls, which means that the OmniSound®
HD audio processing feature only processes the sound when necessary. The sound is
not altered when music is played.
• Audio bridge capability between a computer and connected phone.
• Call recorder capability allows you to listen to meetings afterwards or use the Konftel
55 as a dictaphone.
• Battery-powered option. The battery can be charged via the mains supply (power
adapter provided) and USB.
• Headset connectivity option allows easy switching between headset and speaker function.
• Upgradeable.
• Two-year warranty.
MAINTENANCE
Clean the equipment with a soft, dry cloth. Never use liquids.
INTRODUCTION
3
DESCRIPTION
SD memory card port
Computer (mini USB)
Desk phone adapter
Headset (3.5 mm)
Power supply
Mobile phone
Connections:
LEDs
Steady blue light Sound channel on/call in progress
Steady red light Mute, microphone turned off
Flashing red Hold, microphone and speaker turned off
Touch screen
Battery cover
On / Off (long press)
Mute (microphone off / speaker off)
4
DESCRIPTION
GENERAL
The Konftel 55 automatically detects the connections you make. Despite the unit's
multiple connectivity options, it is simple to use and understand because it only displays
the buttons that can be used in that particular situation.
The first time the Konftel 55 is started up, the display only shows a menu button. If you
connect to a computer via USB, a button for this is displayed so that you can easily turn
the sound on and off. Similarly, a desktop button is displayed if you connect a desktop
phone, a headset button if you connect a headset and a record button if you insert an SD
memory card.
A lit button indicates that the feature is active. When you press the button, it switches
between on and off.
Support for UC solutions
The Konftel 55 has expanded support for UC solutions, such
as Microsoft® Lync®. Visit www.konftel.com for more information.
LEDs
When a mobile or desktop phone button is activated, the blue
LEDs light up too, indicating that an audio channel is open.
This does not necessarily mean that a call is in progress since
the call is controlled from the connected device (the mobile or
desktop phone).
You can move the sound between the Konftel 55 and the
phone during a call by pressing the button ( or ) on the
Konftel 55.
5
DESCRIPTION
With a computer connection, the LEDs first light up when a communication program that
uses the microphone starts.
Mute button
Press the button (the actual button on the right) to turn the microphone off during
a call.
The LEDs show a steady red light and two buttons are displayed.
Press the button if you also want to turn the speaker off.
The LEDs flash red.
Note that the buttons on the screen disappear after 5 seconds or if you touch the
screen outside the buttons.
Press once again (the actual button on the right or the button on the screen) to turn
the microphone (and speaker) on.
The LEDs show a steady blue light.
Power save mode
The Konftel 55 has several power save mode levels. After five minutes, the background
lighting fades and after 15 minutes the image on the screen is replaced by a clock. Less
time if running on battery power.
Switching off
Hold down the button (the actual button on the left) for three seconds.
Confirm that you want to switch off the Konftel 55 by pressing .
LEDs
On / Off (long press) Mute (microphone off / speaker off)
6
BRIDGE CONNECTION
It is possible to establish an audio conference bridge between a connected phone and the
computer. This means that you can make a call with your connected mobile or desktop
phone and combine it with, for example, a Skype® call on the computer.
Audio bridge combinations other than a phone and computer are not possible.
Find out more about audio bridging on page 14.
BATTERY
The battery is charged in the Konftel 55, either via the power adapter provided or via
USB. It takes about 4 hours to fully charge an empty battery using the power adapter and
about 5 hours via USB.
The Konftel 55 has to be connected to a USB port that produces power (e.g. on a
computer) in order to charge the battery. Note that it takes much longer to charge via
USB if the Konftel 55 is turned off.
Inserting a battery
Push the battery cover forwards to remove it.
Insert the battery in the Konftel 55 with its contacts towards the pins in the bottom of
the battery compartment.
Slide the battery cover back into place.
DESCRIPTION
7
The Konftel 55 transforms your desktop phone to a conference phone with OmniSound®
HD. Unlike the integrated speaker function of many desktop phones, you enjoy a high
sound level, full duplex (two-way audio) and efficient echo cancellation and static reduction.
OmniSound® HD performs over the full audio bandwidth (100–24000 Hz) but the
technologies in today's telecommunications networks do not allow the full bandwidth
to be used. This has an effect on the sound quality.
The Konftel 55 is connected using a desk phone adapter (accessory) which is installed
between the phone and handset. The adapter allows you to transfer calls between the
Konftel 55 and the handset by pressing a button.
The Konftel 55 can be connected to all digital phones (corporate networks) and, in many
cases, to analogue phones too (traditional telephone sockets in the home).
Note that some desktop phones can also be connected via their headset jack. See
"Using the Konftel with a mobile phone" on page 9.
CONNECTING TO A DESKTOP PHONE
Unplug the telephone handset cable from the phone and connect it to the desk phone
adapter.
Connect the desk phone adapter to the phone and the Konftel 55 as illustrated below.
The button is displayed on the Konftel 55.
Make a test call to check that the receiving party has a good sound level (see page 21).
The sound level produced by phones varies between the different makes. The Konftel
55's microphone level may therefore need adjusting to ensure good sound quality for
the other call participants. The setting is saved in the Konftel 55 and is used each
time a phone is connected via the adapter.
USING THE KONFTEL WITH A DESKTOP PHONE
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