Telex TT-16, TR-16 User Manual
Telex
Op er at ing In struc tions
RadioCom
Wireless IFB
TM
TT-16
16 Channel Transmitter
TR-16
16 Channel Receiver
INTRODUCTION
WHAT IS THE TELEX WIRELESS IFB
SYSTEM?
Trans mit ter: The trans mit ter gen er ates and am pli -
fies a RF (Ra dio Fre quency) car rier sig nal, mod u lates this car rier with the mi cro phone sig nal, and
ra di ates the mod u lated RF car rier.
Re ceiver: The FM VHF re ceiver is tuned to the fre quency of the trans mit ter. The re ceiver picks up the
ra di ated RF sig nal from the trans mit ter through the
an tenna and con verts the RF sig nal into au dio volt ages for use with an ear phone, head phone, but ton
re ceiver, neckloop, etc. The re ceiver fre quency must
be matched to the trans mit ter fre quency.
ANT.
WHAT FREQUENCY BAND DOES THE
TELEX SYSTEM OPERATE IN?
The Telex Sys tems fea ture a syn the sized trans mit ter
and a syn the sized re ceiv er op er at ing in the VHF
Band be tween 64-68 MHz. See Ta ble 1 for stan dard
fre quen cies avail able.
Each trans mit ter chan nel can be uti lized by any
num ber of re ceiv ers in any given area. Up to five si mul ta neous sys tems can be used in a given area.
ANT.
SOUND
SOURCE
TRANSMITTER
Block Di a gram of Typ i cal Wire less IFB Sys tem
RF CARRIER
SIGNAL
Fig ure 1
FM
RECEIVER
EARPHONE
-1-
OFTEN ASKED QUESTIONS
Ques tion: Can more than one sys tem be used si -
mul ta neously?
An swer: Yes but never on the same fre quency. You
will need to have dif fer ent fre quen cies for ev ery re ceiver/trans mit ter com bi na tion.
Ques tion: Is the sys tem more sen si tive in any one
par tic u lar di rec tion?
An swer: No, the trans mit ter’s an tenna ra di ates
equally in all di rec tions, but the sig nal is at ten u ated
by your body, walls or other sur round ing ob jects.
The re ceiv ing an tenna is es sen tially sen si tive in all
di rec tions as well.
When ever the sys tem is in use, the trans mit ter
should be left on to pre vent the re ceiver from pick ing up out side in ter fer ence.
Ques tion: What is E.D.R.?
An swer: E.D.R. stands for en hanced Dy namic
Range (companded) au dio. E.D.R. im proves the sig nal-to-noise ra tio pro vid ing much better au dio qual ity.
Ques tion: Can the TT-16 and TR-16 be used with
ex ist ing TR-34 and TT-44 prod ucts.
An swer: Yes, as long as the E.D.R. fea ture is dis -
abled on the TT-16 and TR-16.
AVAILABLE FREQUENCIES
Ques tion: Can the re ceiver re ceive other trans mis -
sions when the trans mit ter is turned off?
An swer: Yes it can. Telex sys tems op er ate in the
VHF Band be tween 64-68 MHz. How ever, it is not
sus cep ti ble to ra dio wave skip, CB’ers or stan dard
FM ra dio trans mis sions. It is on TV Broad cast chan nels 3 and 4. So it is best to use the chan nels in
your sys tem that are not on the TV broad cast chan nel in your area. See Ta ble 1.
The fre quency your sys tem op er ates on is com puter
se lected for least in ter fer ence, but there is no such
thing as a 100% clear chan nel all the time.
If the sys tem is go ing to be used in a per ma nent
fixed lo ca tion, it should op er ate in ter fer ence free un til such a time or date when some one else be gins
us ing the same fre quency.
Chan nel Freq. in MHz Broad cast TV
Chan nel
1 64.5 3
2 64.7 3
3 64.9 3
4 65.1 3
5 65.3 3
6 65.5 3
7 65.7 3
8 65.9 3
A 66.1 4
B 66.3 4
C 66.5 4
D 66.7 4
E 66.9 4
F 67.1 4
If the sys tem is go ing to be mov ing among var i ous
lo ca tions, you may run into oc ca sional fre quency
con flicts.
G 67.3 4
H 67.5 4
Ta ble 1
Fre quen cies Avail able
-2-
TR-16 SYNTHESIZED
HEADPHONE JACK
TREBLE CONTROL
RECEIVER
Tre ble Con trol: A push but ton tre ble con trol is pro
vided to en hance higher fre quency au dio when the
but ton is en gaged, in di cated by .
-
General Description TR-16
The Telex TR-16 Re ceiver is a com po nent of a sys tem which op er ates on six teen (16) user selectable
chan nels in the 64 to 68 MHz fre quency band. The
re ceiv ers are de signed to be used with the Telex
TT-16 Trans mit ter.
Operating Features
Vol ume OFF/ON Con trol: This thumbwheel con -
trol serves as both an off/on switch and as a vol ume
con trol. The re ceiver is turned off when the con trol
is in the ex treme coun ter-clock wise po si tion, when
viewed from the rear, and the vol ume is loud est
when the con trol is in the ex treme clock wise po si tion.
SET
SWITCH
BUTTON
SET
Head phone Jack: The re ceiver jack ac cepts a
0.140-inch (3.5 mm) di am e ter min ia ture plug. A va ri ety of earsets or headphones can be plugged into
this jack for lis ten ing.
Belt Clip: The belt clip sup plied is de tach able by
spread ing the wire apart at the tops and re mov ing
one side of the clip form the case and then the other.
BELT CLIP
TELEX COMMUNICATIONS, INC.
MODEL TR-16
This device complies with part 15 of the FCC rules. Operation
is subject to the following two conditions: (1) This device may
not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause
undesired operation.
Made in U.S.A.
IC: 1321A-TR16
S.N.: 1001
BATTERY
COMPARTMENT
E.D.R.
VOLUME OFF/ON CONTROL
Op er at ing Fea tures TR-16
BELT CLIP
BELT CLIPBELT CLIPBELT CLIP
BATTERY
ORIENTATION
BATTERY COMPARTMENT COVER
Fig ure 3
-3-
SPEC I FI CA TIONS
TR-16 16 Chan nel Syn the sized Re ceiver
Tem per a ture Range ....................................................................32 to 122 de grees F/0 to +50 de grees C
Sup ply Volt age ...............................................................................................2-3 Volts, (2) AA Bat teries
Bat tery Life ....................................................................................................................20 Hrs - Al ka line
16 Hrs - NimH
8 Hrs - NiCad
Fre quency Re sponse....................................................................................................100-10 kHz ±3 dB
Sen si tiv ity (12 dB SINAD @ 66.1 MHz) ................................................................................1µ V max.
Dis tor tion...............................................................................................................................less than 2%
Au dio Out put @ 10% Dis tor tion
Bat tery In put
Volt age
2.0 V
8 ohm
15 mW
32 ohm
10 mW
3.0 V
80 mW
50 mW
Con trols and Con nec tions.................................................................................Vol ume OFF/ON Switch;
Tre ble Con trol Switch; Chan nel Se lec tion Switch
Au dio Out put Jack
TT-16 SYNTHESIZED
TRANSMITTER
General Description
The Telex TT-16 is a base sta tion trans mit ter which
op er ates in the 64-68 MHz band and ac cepts a wide
range of au dio in put lev els.
Operating Features
TT-16 Front Panel
1. Power But ton (Must be held in for 1
1
6
sec ond to turn off.)
RadioCom
TT-16
WIRELESS IFB TRANSMITTER
2
Monitor
Telex
3
power
set
4
5
Fig ure 4a
Op er at ing Fea tures TT-16 Front Panel
-4-
2. Head phone vol ume ad just ment
3. Head phone Mon i tor ing Jack
4. SET But ton
5. Back Lit LCD Dis play
6. UP and DOWN Ad just ment But tons
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