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Handbook Contents

Box Contents

H

   Safety

1 x TDS1

I

   Installation

1 x Power Supply

I

   Facilities

1 x Telephone Lead

I

   Operation

1 x Handbook

I

   Troubleshooting

I

   Warranty

I

   Technical Details

This symbol is used to alert the user to important operating or 
maintenance instructions.
The Lightning bolt triangle is used to alert the user to the risk of electric 
shock.

SAFETY

1. It is important to read these instructions and follow them.
2. Keep this instruction manual for reference.
3. Do not operate this unit in a damp environment. It is not waterproof.
4. Refer installation and servicing to qualified personnel.
5. This unit is double insulated and safe to use without an earth connection. The 

case does not connect to a protective earth unless provided by the screen of 
the line input XLR connector (pin 1).

INSTALLATION - Please read ALL this Manual before starting

First of all, plan your installation and decide where to fit your TDS1. It needs to be 
close to a telephone socket, have mains power and an audio signal feed. In 
MANual mode, you will be using a telephone to call the listener, so it may be 
convenient to install the unit in an ante or side room where no-one will be 
disturbed by your conversations. The TDS1 generates virtually no heat and so 
can be installed in any dry, convenient location. 

Unpack your TDS1 and check the contents against the list above. As supplied, 
your TDS1 is set to 100V line input and 3 hour timer enabled.

You will need the following to
Get your TDS1 to work:

l

 Working telephone line

l

 Audio signal

l

 Mains power

l

 Another telephone eg a mobile to 

test operation.

l

 Two small screwdrivers, a posidrive 

to remove the lid and a flat blade to 
adjust the volume.

Issue 1.2
January 2006

For latest Handbook 
see www.dt4u.com

15V 
ac/dc 
Power 
supply

TDS1

Telephone Socket

PA Amplifier

Power

Audio

Telephone

Telephone Dialup System

TDS1 HANDBOOK

Содержание TDS1S/R

Страница 1: ...is Manual before starting First of all plan your installation and decide where to fit your TDS1 It needs to be close to a telephone socket have mains power and an audio signal feed In MANual mode you...

Страница 2: ...and the unit set for a 15V J8 input signal This might be typical of a low impedance loudspeaker where the signal is taken from directly across the loudspeaker Always start with link in position J5 an...

Страница 3: ...th a male 3 pin XLR plug Wire the XLR plug according to the type of input signal as shown Note that pin 1 of the XLR connects to the case of the TDS1 unit and should be grounded at the source end The...

Страница 4: ...d be able to talk to the other telephone as well Replace the handset on the telephone plugged into the TDS1 front panel You can unplug the telephone if you wish You should remain connected and be able...

Страница 5: ...c mode Press switch to Hold Release a MANual call NOTES Pin 2 0V connection To make it easier to connect multiple return wires to pin 2 solder a thick length of wire onto the pin to extend it by 10 15...

Страница 6: ...t only in terms of his local audience but also those now connected by land line Unlike a live audience who may be able to half hear even with the microphone turned off those listening in will hear not...

Страница 7: ...o NOT replace with a larger fuse or permanent damage will be caused 2 Cuts Off Do not try to send too loud a signal down the telephone line otherwise this will be interpreted by the microprocessor as...

Страница 8: ...t Capable of switching 80mA to 0V Remote LED 5V output via 470 Resistor REN 1 0 Approvals CE approved DOC Declaration Of Conformity Available on request ACCESSORIES Available to special order and at a...

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