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the Duo-Comm 2 and the supplied microphone-headset. The Duo-Comm 2 
includes an auxillary input which allows connection to an external device 
such as an MP3 player.     
 

Items supplied with the Duo-Comm 2: 

  1 X Phone line cable (coiled RJ10 3 metres) 

  2 X Stereo extension cables (2 metres) 

  1 X Stereo extension cable (1 metre) 

  1 X 6 volt regulated power supply 

  1 X A set of headphones with a microphone (Headset includes a volume 

control) 

  Instructions. 

 

Orientation 

The Duo-Comm 2 is a box measuring 105mm X 33mm X 127mm. It is 
made of aluminium with two black, plastic facia panels at each end. 
 
The controls for the Duo-Comm 2 are situated on both facia panels. The 
front panel has three knobs on it and two buttons. Hold the Duo-Comm 2 so 
that the knobs are facing towards you and the three knobs are on the left of 
the panel. The Duo-Comm 2 is now correctly orientated. 
 

Controls and functions 

Front facia panel 

There are three knobs and two buttons on the front of the product. From left 
to right they are: 
 

  volume control for the computer (PC) 

  volume control for the phone 

  volume control for the headset microphone 

  mute select button 

  mode select button. 

 
There are two sockets on the front of the product. These are located 
underneath the mute and mode buttons. From left to right they are: 
 

  headset Socket (green) 

  microphone socket (pink). 

Summary of Contents for Duo-Comm 2

Page 1: ...ion manual Please retain these instructions for future reference These instructions are also available in other formats Contents General description 1 Items supplied with the Duo Comm 2 2 Orientation 2 Controls and functions 2 Front facia panel 2 Rear facia panel 4 Getting started 5 Product features 7 Technical specification 7 Terms and Conditions of sale 8 How to contact RNIB 8 Product Regulation...

Page 2: ...acia panels at each end The controls for the Duo Comm 2 are situated on both facia panels The front panel has three knobs on it and two buttons Hold the Duo Comm 2 so that the knobs are facing towards you and the three knobs are on the left of the panel The Duo Comm 2 is now correctly orientated Controls and functions Front facia panel There are three knobs and two buttons on the front of the prod...

Page 3: ...ode 1 enables you to listen to the computer in both earpieces Mode 2 enables you to listen to the phone line in one earpiece and the computer in the other Mode 3 enables you to listen to the phone line in both earpieces Mode 4 enables you to listen to an auxiliary device in both earpieces The mute select button has an on off function The mute select button will mute all inputs including the microp...

Page 4: ...o Comm around in your hand through 180 degrees You are now looking at the rear panel From left to right the rear panel has the following connections Power supply socket circular and recessed with a centre pin This accepts the plug from the power supply Power on off push switch Circular and protruding Auxiliary input socket a small 3 5 mm jack socket marked with the words Aux In and highlighted by ...

Page 5: ...ch is usually a green coded socket Plug the microphone connector Pink into the Duo Comm 2 Microphone socket marked with a microphone icon and outlined in pink Connect the other end of this cable to your computers microphone socket which is usually a pink coded socket Plug the phone line cable coiled into the Duo Comm 2 telephone line connector socket and connect the other end to your phone s origi...

Page 6: ...t button increments to the next mode with each press as per the following sequence Mode 1 Computer Mode Default enables you to listen to the computer in both earpieces and allows access to the computers microphone inputs An LED will illuminate above the PC volume knob The microphone volume LED will also be illuminated Mode 2 Dual Mode enables you to listen to the phone line in the left earpiece an...

Page 7: ...al must be rotated clockwise To decrease the volume the rotary dial must be rotated anti clockwise Please test the headset microphone volume by ringing a friend or colleague so that they can tell you if the microphone volume needs adjusting Try to avoid high levels of volume on the microphone as this may be uncomfortable for the person listening to you Product features The Duo Comm 2 enables you t...

Page 8: ...dgate Peterborough PE1 1TN Online Shop shop rnib org uk Email for international customers exports rnib org uk Product Regulations Declaration of Conformity The Duo Comm HT299 fully complies with the directives listed below of UK and European legislation on electronic products entering the UK and European markets This product is CE marked and fully complies with all applicable EU legislation WEEE 2...

Page 9: ...equipment To remind you that old electrical equipment can be recycled it is now marked with the crossed out wheeled bin symbol Please do not throw any electrical equipment including those marked with this symbol in your bin What is WEEE The Waste Electrical or Electronic Equipment WEEE Directive requires countries to maximise separate collection and environmentally friendly processing of these ite...

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