Telex TR-24 Intercom System User Manual


 
The sidetone (amount of your own voice fed back to your
earphones) and microphone gain of the beltpacks may need
adjusted from the factory defaults. The defaults are:
Microphone Level = 4
Sidetone Level = 2
Microphone Level Adjust – Press <1> + <TALK> until a voice
prompt indicates microphone adjust mode has been entered
(about 3 seconds). Keep holding <TALK> down and use the <1>
button to decrease the level, <2> button to increase the level.
Voice prompts will indicate the current level setting. Release all
buttons for at least one second and the level will be set.
Sidetone Level Adjust – Press <TALK> + <2> until a voice
prompt indicates sidetone adjust mode has been entered (about 3
seconds). Keep holding <TALK> down and use the <1> button
to decrease the level, <2> button to increase the level. Voice
prompts will indicate the current level setting. Release all buttons
for at least one second and the level will be set.
Tour Group Example
A good example of a master wireless mode application is a tour
group within a noisy manufacturing environment.
As shown in the Figure, a single TR-24 is set to boot in “master
wireless”. This beltpack would be worn by the tour guide. The
rest of the beltpacks are set to boot in “wireless” mode and
Push-to-TX (Push-to-TX beltpacks have their <TALK> button
set to momentary only). The tour group would wear these
beltpacks.
The group size could be up to 28 people (or more) when the
beltpacks are in Push-to-TX mode. This is because when in
Push-to-TX mode the beltpacks are listen only, until the
<TALK> button is active. At that point the beltpack transmits full
time and is in full duplex mode until user releases the <TALK>
button again. The group’s TR-24s could also be used in
push-to-latch mode (full duplex) for this application, but due to
the greatly increase bandwidth requirement for this talk mode the
group’s size would be limited to 9 (Ten total if you include the
tour guide's master beltpack).
NOTE: Only 9 full duplex beltpacks can work off a master
beltpack. Thus the number of full duplex beltpacks working off
that master beltapck must be reduce by the number of Push-to-TX
beltpacks that could become full duplex, at the same time, if their
users press the talk button.
Figure 5-12
Tour Group Application
Battery Charging Instructions
Charge the BTR-24 and TR-24 internal battery as follows:
1. Ensure the TR-24 beltpacks are in the “OFF” position.
2. Ensure the BTR-24 base stations are in the “OFF” position.
3. TR-24 beltpack: Plug the charger into the charge jack on the
bottom of the beltpack. The beltpack should be charged in a
room temperature location. The LED on the bottom of the
unit indicates the charge status.
RED = Charging
GREEN = Charging Done
A fully discharged beltpack will need to charge for at least 6
– 8 hours.
Beltpacks may be left on charge indefinitely.
4. BTR-24 base station: Plug the charger into the charge jack
on the bottom of the base station. The base should be
charged in a room temperature location. The LED on the
bottom of the unit indicates the charge status.
RED = Charging
GREEN = Charging Done
A fully discharged base station will need to charge for at least
10 – 14 hours.
The BTR-24 may be left on charge indefinitely.
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