Konftel PA interface box User manual

Conference phones for every situation
Connecting a PA interface box
to the Konftel 300IP
ENGLISH
Activating and deactivating of internal microphone and internal speakers
The internal microphone and speakers are turned off by default when the PA box is connected.
Press MENU and select SETTINGS > BASIC > PA (5,1,7).
Select INTERNAL MIC or INTERNAL SPKR and press OK to switch between ON (shaded
box) and OFF.
To ensure maximum audio quality, do not use internal and external microphones/speakers
connected via the PA interface box at the same time.
Adjusting microphone volume from PA system
PA monitor can be used to adjust the microphone level from an external microphone mixer.
Make a call.
Press MENU and select PA > MONITOR.
Adjust the microphone level from the mixer so that this level value on the display screen is
around 10–12 when speaking in a normal tone of voice.
Adjusting PA calibration manually
If needed it is possible to calibrate the full duplex performance. The calibration value can be set
to AUTO or be adjusted manually in steps from 0 to 5 where 0 is the highest grade of duplex.
• Increasethecalibrationiftheremotepartyexperiencesdisturbingechoes.
• Decreasethecalibrationiftheremotepartyexperienceslowduplex,i.e.yourvoiceismuted
or clipped when the other party is speaking.
The position of the PA system’s microphones and speakers and the amplier’s settings may
affect full duplex performance.
Make a call.
Press MENU and select PA > CALIBRATION.
AUTO is the default setting and is recommended in most cases. The gure shown in brackets
is the measured calibration value.
Select different levels and compare the audio quality to achieve your preferred setting.
NB. You must ask the person you are calling to assess the effect of the adjustments you make.
SETTINGS
www.konftel.com
Head ofce in Sweden: Konftel AB, Box 268, SE -901 06 Umeå, Sweden
Phone: [phone], Fax: [phone], E-mail: [e-mail]
110061-61-001 rev 1b

The PA interface box connects the conference phone with an existing PA system. To match
several types of situations and equipment, there are some settings available in the Konftel 300IP
menu, see “SETTINGS”.
Parts included
•Interfacebox
•Connectioncable,2.5metres
Output specication
Connector RCA
Impedance 600Ω
Outputlevel 200mVRMS
Connecting the PA interface box
Always disconnect the power supply from the electrical outlet before disconnecting or con-
necting equipment to the Konftel 300IP.
 ConnectthePAinterfaceboxtotheAUXportonKonftel300IPwiththeincludedcable.
 ConnecttheexternalampliertotheRCAconnectormarkedwithaspeaker.
 ConnectthemicrophonemixertotheRCAconnectormarkedwithamicrophone.
DESCRIPTION AND INSTALLATION SOFTWARE INSTALLATION
Upgrading the software in the Konftel 300IP
 Checktheconferencephone’sIP ADDRESS. (MENU > STATUS > NETWORK (7,2)).
Log into the web server in Konftel 300IP by entering the phone’s IP address in your compu-
ter’s web browser.
Select Admin as Prole and enter your PIN.
Select Settings > Provisioning.
 ClickonCheck Now.
Select the latest version and click on Upgrade.
The browser window and the Konftel 300 IP display shows that the upgrading has begun.
Downloadingandinstallationcantakeseveralminutes.Donotstoptheupgradingprocess
or unplug the Konftel 300IP during the upgrade as this may render the conference phone
inoperable.
 Whentheinstallationprocessiscompleted,thewords“UpgradeComplete.Theunitwillbe
rebooted.” appear in the web browser and shortly after you will hear the Konftel signature
tune which indicates that the conference phone has started.
Changing the auxilary port setting
Select Settings > Basic.
Select PA under the heading Auxilary port to aktivate the functions for external microphones
and speaker system.
 ClickonSave.
Input specication
Connector RCA
Impedance 5kΩ
Inputlevel 300mVRMS
AUX port
PA interface box
To amplier/speakersTo mixer/microphone2.5 m connection cable