before and after the meeting as well as in between program items. Even during
the singing of songs, a small amount of audio via a half opened microphone
(not the one next to the chairman please!) will greatly enhance the program
output to those listening in and make them feel totally involved. Thought is
required by the sound operator as to what is being heard by the listeners. His
efforts in this regard will be highly valued by the callers.
Multiple callers may be able to listen on each telephone line by using the ‘three
way caller' option. Results for this service can be very patchy and depend
upon a number of factors, but it is worth trying. Some users routinely connect
four different locations via two telephone lines. If each caller also has a three
way option, even more callers could be connected though this is unproven.
(Please feedback any results on this to us).
Anyone using the service is well advised to buy a modern loudspeaking
telephone which has a mute feature. This cuts off the internal microphone on
the telephone and can make the sound even clearer especially if multiple users
are connected on each line. If the telephone is placed on a hard surface then
the volume will be found adequate for a room with three or four people in it.
For larger venues or locations where the volume is not adequate i.e. many
miles from the serving telephone exchange, use a handset with jack audio
output. This allows connection from the telephone line into a line input (i.e. CD)
on a hi-fi system and hence the signal can be adjusted for loudness and quality
by using the volume and tone controls. Of course this could also be used in
remote areas for connecting halls together when for example the public
speaker is unable to get to the venue for whatever reason or even for memorial
overflow situations.
The TDS1 S/R Dialup Unit is microprocessor controlled and makes use of
surface mount technology to achieve small size together with high reliability. All
components are conservatively rated to give a long service life.
These instructions are written to help you get the best from your Dialup unit but
they need to be followed closely especially by the sound operator if you are to
achieve this. For best possible results, invest in an automatic microphone mixer
to avoid missing the first word or even sentence of any comments, as this is
highly frustrating to Dialup users.
TROUBLESHOOTING See www.dt4u.com for latest information
1
No Power
Make sure the power supply is plugged in and the
mains socket live. Ensure that the TDS1 S/R is
switched on. If the green power light is unlit, unplug the
power supply and check the fuse (FS5) is not blown. If
it is, replace by a 100mA 20mm fuse. Do NOT replace
with a larger fuse or permanent damage will be
caused.
Summary of Contents for TDS1 S/R
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