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

Balanced

Audio

INPUT

PINS

RTS 1

1-2

RTS 2

1-3

TELEX

2-3

Telex Communications, Inc.

Made in U.S.A.

Unbalanced

Audio

RadioCom

WIRELESS IFB TRANSMITTER

FCC ID: B5DM524

IC: 1321A-TT16

S.N.: XXXXXX

Telex Communications, Inc. Made in USA

TM

TT-16

P/N: 804182

Antenna

12-15V
AC/DC

TT-16 Rear Panel

1. XLR In put Con nec tor: Ac cepts bal ­anced two wire Telex, RTS chan nel
1 or RTS chan nel 2. NOTE: RTS
chan nel 2 is com pat i ble with
*Clear-Com® In ter com Sys tems.

2. Un bal anced Au dio ¼" In put Con ­nec tor.

3. An tenna Jack: Ac cepts tele scop ing
an tenna (sup plied).

1

2

3

4

Fig ure 4b

Op er at ing Fea tures TT-16 Rear Panel

9

RF POWER: HIGH

8

+3

0

AUDIO LEVEL dB-36

MHz

UNBALANCED

+6

AUDIO LEVEL

BALANCED

RTS 1 RTS 2 TELEX

EDR

4

2

1

CHANNEL

-10

-5

AUDIO LEVEL

65.9

FREQ.

3

4. Power In put Jack: Ac cepts any
source of 12-15 VAC/DC 300 mA
min i mum.

5

-30 Bd

6

7

8

1. Chan nel In di ca tor

2. Au dio In put Me ter

3. Fre quency In di ca tor

4. En hanced Dy namic Range In di ca tor

5. RF Trans mit Power (High when lit,
Norm when not)

Fig ure 5

LCD Dis play Func tions

6. Un bal anced Au dio Level

7. Bal anced Au dio Level

8. Bal anced In put Se lec tion for RTS 1,
RTS 2, Telex

9. Lock Out In di ca tor

*Clear-Com® is a reg is tered trade mark of
Clear-Com In ter com Sys tems, Inc.

-5-

TT-16 Spec i fi ca tions

Au dio In put: Fe male XLR

RTS 1 Se lected........................................................................Line im ped ance 200 Ω / Level ad just able

RTS 2 Se lected........................................................................Line im ped ance 200 Ω / Level ad just able

Telex Se lected.........................................................................Line im ped ance 300 Ω / Level ad just able

Un bal anced Au dio In put ..................................10K Ω in put im ped ance/10 mV-1.0 VRMS in put range

RF Power Switch.......................................................................50mW in “Hi”, approx. 5mW in “Low”

AGC Range ......................................................................................................................................30 dB

Sig nal-to-noise Ra tio:

Nor mal..........................................................................................................................................58 dB

EDR En abled................................................................................................................................77 dB

Pre-Em pha sis....................................................................................................................................115µS

Max i mum De vi a tion.....................................................................................................................±25 kHz

Fre quency Con trol Crys tal.........................................................................................+/-.005% tol er ance

Avail able Fre quen cies ................................................................................................See Ta ble 1, page 2

Max. Trans mit ter Out put Power....................................................................................................50 mW

Power Re quire ments ................................................................................12-15V, AC or DC @ 300 mA

Di men sions...................................................................................................7 ½"W x 1 3/4"H x 6 7/8"D

FCC ID ......................................................................................................................................B5DM524

EQUIP MENT SET-UP AND OPERATION

TT-16 SYNTHESIZED
TRANSMITTER

UN PACKING: Un pack your Wire less IFB sys tem. If

there are any dam ages or short ages, re fer to the "War ­ranty Ser vice In for ma tion" card.

TT-16 TRANS MITTER LO CA TION: Se lect a suit ­able lo ca tion for the TT-16 Trans mit ter. Try to keep a
clear, un ob structed path be tween the trans mit ter and
re ceiver and al low plenty of free space around the
trans mit ter an tenna.

AN TENNA CON NEC TIONS: Con nect the tele ­scop ing an tenna to the rear panel AN TENNA jack.

For best re sults, the an tenna should be ver ti cally
aligned. Tighten the knurled ring to hold the an tenna
in place, and ex tend the an tenna to full length.

ANTENNA

REAR PANEL

Fig ure 6

An tenna Connection

POWER CON NEC TION: Plug the AC power

adapter into an elec tri cal out let. Plug the other end
of the cord into the power in put jack on the rear
panel of the TT-16.

-6-

Antenna

12-15V
AC/DC

-

+

Fig ure 7

Con necting Power

SYSTEM SET UP

All of the chan nel and in put se lec tion func tions are
ac cessed from the front panel. Press SET but ton
once to be gin Sys tem Setup. When ever a func tion is
flash ing, the UP and DOWN but tons can be used to
ad just it. Once set, the next func tion will start to
flash. To ac cess a spe cific func tion, press SET un til
the func tion is flash ing, the fea tures are ac cessed in
the fol low ing or der:

Chan nel
RF Power Output
Un bal anced Level Adjust
Bal anced In put (RTS1/RTS2/Telex)
Bal anced Level Adjust

should be used for small to me dium sized ven ues
and when ever mul ti ple sys tems are be ing used. Press
SET when the power is set and the Un bal anced In ­put level will flash.

Un bal anced In put And Level Ad just ment

If the un bal anced au dio in put will not be used, with
the "Un bal anced Au dio Level" flash ing use the
DOWN but ton to set the level to OFF and press set
to go to Bal ance In put Se lec tion.

If the Un bal anced in put will be used, con nect the in ­put now and ap ply au dio con tent. With the au dio
con tent play ing and "Un bal anced Au dio Level"
flash ing, watch the au dio me ter. The peak sig nal
should not go above the 0 dB seg ment, use the UP
and DOWN but tons to ad just the in put level so that
the loud est in put lights up the 0 dB seg ment. When
the level is set, press the SET but ton and one of the
in put op tions will flash.

Bal anced In ter com In put and Level Ad just ment

With the Bal anced In ter com In put se lec tion flash ing
(RTS1, RTS2, or TELEX). Use the UP and DOWN
but tons to scroll to the cor rect in put. With the cor ­rect in put dis played, press SET and the "Bal anced

Au dio Level" in di ca tor will flash.

Chan nel Se lec tion

Turn the TT-16 on by touch ing the POWER but ton.
(The TT-16 is de signed to re turn to "on" if power is
dis con nected while the unit is on. This is so the unit
can be switched on and off with a power strip or
rack power).

The LCD dis play will light up and show the Chan ­nel, Au dio Me ter, Fre quency (and E.D.R. if it has
been en abled). Press the SET but ton once and Chan ­nel let ter will flash. Use the UP and DOWN Ar row
but tons to se lect the de sired chan nel 1-9 and A-H.
Press SET when the de sired chan nel is dis played
and the chan nel is set. The chan nel let ter will stop
flash ing and the RF Power in di ca tor will flash.

RF Power Se lec tion

While the "RF Power" in di ca tor is flash ing, press
the UP AR ROW for HIGH and DOWN for NORM
(the "RF Power" line will flash quickly and will
dis ap pear when SET is pressed). NORM power

If the in ter com au dio in put will not be used, with
one of the Bal anced In put op tions flash ing press
SET so the "Bal anced Au dio Level" is flash ing.
Use the DOWN but ton to set the level to OFF and
press SET to end the setup ses sion. When OFF is
se lected "Bal anced Au dio Level" will not be dis ­played on the screen.

If the Bal anced In put Se lec tion will be used, then
con nect the in put and ap ply au dio con tent. With the
au dio con tent play ing and "Bal anced Au dio Level"
flash ing, watch the au dio me ter. The peak sig nal
should not go above the 0 dB seg ment, use the UP
and DOWN but tons to ad just the in put level so that
the loud est in put lights up the 0 dB seg ment. When
the level is set, press the SET but ton and the Setup
Ses sion will end.

NOTE: The TT-16 will op er ate with both Un bal ­anced and Bal anced in puts ac tive at the same time.

-7-

En hanced Dy namic Range (E.D.R.) Op er a tion

The Telex TT-16 Trans mit ter is equipped with
E.D.R., En hanced Dy namic Range (companded) au ­dio. This mode greatly im proves the Au dio Sig nal to
Noise Ra tio when used with the Telex Model TR-16
re ceiver. The E.D.R. mode must be se lected on both
the trans mit ter and re ceiver to be ef fec tive. If us ing
the TT-16 with TR-34 IFB units, E.D.R. must be
turned off.

1) To en gage the E.D.R. func tion, turn the TT-16 off
with the power switch. (The power switch must
be held for 1 sec ond to turn unit off.)

2) Press and hold the SET but ton while you turn the
TT-16 back on. The E.D.R. sym bol will be dis ­played in the lower right cor ner to in di cate the
mode is ac tive.

3) Re peat the pro ce dure to dis able the E.D.R func ­tion.

Lock Out

The TT-16 SET but ton can be locked to pre vent
E.D.R. ac ti va tion, and un in tended chan nel changes.

1) To en gage the Lock Out Fea ture, press the UP
and DOWN but tons at the same time and hold
them down for two sec onds.

2) The pad lock sym bol will ap pear and the set but ­ton is dis abled.

3) To un lock the sys tem, press the UP and DOWN
but tons and hold them for two sec onds or un til
the pad lock sym bol dis ap pears.

MUL TI PLE SYS TEM IN STAL LA TIONS: As
with any ra dio de vice, in ter fer ence can oc cur at any
time. The fre quen cies of fered are shared with other
le git i mate us ers. The se ver ity of in ter fer ence var ies
with the dis tance to the in ter fer ing sta tion. Mul ti ple
sys tems fur ther com pli cate in stal la tions. The fol low ­ing steps are sug gested in or der to achieve best re
sults in your in stal la tion.

1. In or der to de ter mine whether your se lected fre ­quen cies have min i mum in ter fer ence, Telex rec ­om mends that you first tem po rarily in stall the
re ceiv ers in your pro posed set ting and mon i tor
the chan nel for in ter fer ence. To do this (with
fresh bat ter ies in stalled) turn on your re ceiver,
but DO NOT turn on any other re ceiver or trans ­mit ter at this time. If audible in ter fer ence is pres ­ent, this may in di cat e an other user on the
chan nel. Mon i tor ing should be re peated for each
chan nel that you pro pose to use. DO NOT use
chan nels that have in ter fer ence.

2. Set your trans mit ter(s) to chan nels with no or
min i mum in ter fer ence. Each trans mit ter must be
set to a sep a rate fre quency. For best re sults when
us ing mul ti ple trans mit ters, each trans mit ter
should be in stalled sep a rately as far as pos si ble
from the oth ers.

3. Turn on the trans mit ter(s) with an ac tive au dio
in put. Test walk a re ceiver through the ex pected
lis ten ing area to ver ify cov er age. The sys tem
should now be ready for use.

-

Au dio Mon i tor

Turn the Mon i tor (vol ume) con trol all the way down
(coun ter clock wise). Af ter the au dio in put lev els
have been ad justed, Ste reo head phones with a 3.5
mm or ¼ in. plug can be plugged into the Mon i tor
jack. If you wish to mon i tor the au dio pro gram ma ­te rial, turn up the mon i tor (vol ume) con trol to the
de sired level. The mon i tor con trol does not af fect
the trans mit ted au dio level.

-8-

TR-16 SYNTHESIZED
RECEIVER

Keep a clear, un ob structed path be tween the trans ­mit ter and re ceiver an ten nas for a clear trans mis ­sion.

1

2

3

E.D.R.

E.D.R.

4

1. Chan nel Dis play 1-9 through A-H and low bat tery
in di ca tor

2. Lock In di ca tor (see Change Lock Out)

3. High Fre quency Em pha sis In di ca tor (on when
sym bol is show ing)

4. En hanced Dy namic Range In di ca tor.

1) To en gage the E.D.R func tion turn the TR-16 off
with the vol ume con trol thumb wheel.

2) Press and hold the SET but ton while you turn the
TR-16 back on. The E.D.R. sym bol will be dis ­played in the lower right cor ner to in di cate the
mode is ac tive.

3) Re peat the pro ce dure to dis able the E.D.R. func ­tion.

Lock Out

The TR-16 SET but ton can be locked to pre vent
E.D.R. ac ti va tion, and un in tended chan nel changes.
The High Fre quency Em pha sis but ton will re main
ac tive at all times for the con ve nience of the user.

1) To en gage the Lock Out Fea ture, press the SET
and but tons at the same time and hold them
down for 5 seconds.

2) The pad lock symbol will ap pear and the set but ­ton is dis abled.

3) To un lock the sys tem, press the SET and but ­tons and hold them for 5 sec onds or un til the
pad lock symbol dis ap pears.

Fig ure 8

TR-16 Dis play

Chan nel Se lec tion

1) Turn the re ceiver on. A chan nel let ter will show
in the dis play.

2) Press the SET but ton once and the Chan nel in di ­ca tor will flash.

3) Press the but ton and the Chan nel will scroll
up, match the chan nel to the trans mit ter channel
be ing used (TT-16, TT-44).

4) Press SET, the chan nel in di ca tor will stop flash ­ing and the chan nel is set.

En hanced Dy namic Range (E.D.R.) Op er a tion

The Telex TT-16 trans mit ter is equipped with
E.D.R., En hanced Dy namic Range (companded) au ­dio. This mode greatly im proves the Au dio Sig nal to
Noise Ra tio when used with the Telex Model TR-16
re ceiver. The E.D.R. mode must be se lected on both
the trans mit ter and re ceiver to be ef fec tive. If us ing
the TR-16 with a TT-44 IFB Trans mit ter, E.D.R.
must be turned off.

HEADPHONE JACK

SET

SWITCH

BUTTON

TREBLE CONTROL

SET

E.D.R.

VOLUME OFF/ON CONTROL

-9-

Low Bat tery In di ca tion

1) When there is ap prox i mately 10% of the bat tery
life left, an animated bat tery sym bol will flash al
ter nately with the chan nel let ter in the LCD dis ­play.

2) When there is only 5% bat tery life left, the bat ­tery sym bol will con stantly flash in the dis play.

E.D.R.E.D.R.

-

Low Bat tery Dis play

BATTERY REPLACEMENT

The TR-16 Re ceiver uses two (2) AA bat ter ies.
When the bat ter ies are low the sound will be dis ­torted. Re place weak bat ter ies with two fresh AA
bat ter ies, and po si tion them in the bat tery com part ­ment as il lus trated in Fig ure 9.

BELT CLIP

BELT CLIPBELT CLIPBELT CLIP

For ad di tional in for ma tion re fer to the “Bat tery In ­for ma tion” Sec tion.

NOTE: If the unit is to be stored for any length of
time make sure you re move the bat ter ies from the
unit.

BATTERY
ORIENTATION

BATTERY COMPARTMENT COVER

Fig ure 9

Bat tery In stal la tion - TR-16

-10-

BATTERY INFORMATION

General

Im proper bat tery se lec tion, use, in stal la tion and care
are the cause of nu mer ous wire less sys tem fail ures.

ANTENNA INFORMATION

Antenna Alignment

Alkaline Batteries

Al ka line bat ter ies such as Mallory’s DURACELL®
or Eveready’s EN ER GIZER® pro vide the most re li ­able op er a tion in wire less trans mit ters and re ceiv ers.
The use of low cost car bon-zinc bat ter ies is NOT
REC OM MENDED.

*EN ER GIZER® is a reg is tered trade mark of Un ion
Car bide
Cor po ra tion.
*DURACELL® is a reg is tered trade mark of
Duracell Inc.

Antenna Placement

Proper an tenna place ment prob a bly has the most ef ­fect on your TELEX Wire less Sys tem’s over all per ­for mance. Fol low ing the sug ges tions that fol low
should re sult in “drop out free” per for mance.

Balanced

Audio

INPUT PINS
RTS CH1
RTS CH2
TELEX

Telex Communications, Inc.

Made in U.S.A.

1-2
1-3
2-3

Unbalanced

Audio

RadioCom

TT-16

WIRELESS IFB TRANSMITTER

FCC ID: B5DM524

IC: 1321A-TT16

S.N.: XXXXXX

Telex Communications, Inc. Made in USA

TM

12-15V
AC/DC

P/N: 804182

An tenna Align ment

Balanced

Audio

INPUT PINS
RTS CH1
RTS CH2
TELEX

Telex Communications, Inc.

Made in U.S.A.

Fig ure 10

TM

Antenna

RadioCom

1-2

Unbalanced

1-3

Audio

TT-16

2-3

WIRELESS IFB TRANSMITTER

FCC ID: B5DM524

IC: 1321A-TT16

S.N.: XXXXXX

Telex Communications, Inc. Made in USA

12-15V
AC/DC

P/N: 804182

Telex

RadioCom

power

Monitor

TT-16

set

WIRELESS IFB TRANSMITTER

Telex

RadioCom

power

Monitor

TT-16

set

WIRELESS IFB TRANSMITTER

Good and Bad

Fig ure 11

Dis tance Be tween Trans mit ter and Re ceiver

Keep the dis tance be tween the trans mit ter and the
re ceiver(s) as short as pos si ble. The greater the dis ­tance the weaker the sig nal.

-11-

Make sure the “sig nal path” be tween the trans mit ter
and re ceiver(s) is un ob structed. You should al ways
be able to vi su ally lo cate the an tenna of the trans ­mit ter at all times.

DO NOT - Mount the trans mit ter on, or next to,
metal such as beams, walls with metal studs, etc.
This will “de tune” the trans mit ter an tenna which
can re sult in loss of sig nal at the re ceiver.

LOCATION
IS OK

TM

Telex

RadioCom

power

Monitor

TT-16

set

WIRELESS IFB TRANSMITTER

Telex

RadioCom

power

Monitor

TT-16

WIRELESS IFB TRANSMITTER

set

SIG NAL REACHES AN TENNA AT FULL STRENGTH WITH NO OB ­STRUC TIONS.

Fig ure 12

Keeping Site Clear to An tenna

At tempting to op er ate the sound en hance ment sys ­tem through or around walls, ceil ings, metal ob jects,
etc., will re duce sys tem range and per for mance.

RadioCom

TT-16

WIRELESS IFB TRANSMITTER

TM

Telex

power

Monitor

set

LOCATION

IS BAD

T

elex

Fig ure 14

Trans mit ter An tenna Place ment

Telex

RadioCom

power

Monitor

TT-16

set

WIRELESS IFB TRANSMITTER

SIG NAL RE FLEC TION OFF A METAL OB STRUC TION CAUSES
RE DUCED SIG NAL AND “MULTIPATH”

Fig ure 13

Op er ating Through Ob struc tion

-12-

TROUBLESHOOTING

Re read the sec tions of this man ual to make sure you
have com pleted sys tem set-up prop erly.

PROB LEM

DIS TOR TION -Sys tem's au dio qual ity seems

dis torted at me dium to high in put lev els
HISS - Sys tem seems to pro duce a "hiss" which

is un de sir able.

DROP OUTS - When mov ing around the area
in which you will be us ing the sys tem there
seem to be lo ca tions where the sig nal
"swooshes" or com pletely dis ap pears.

IN TER FER ENCE - Sys tem picks up sig nals
other than the TT-16 Trans mit ter.

If you are un able to solve the prob lem, con tact the
dealer from whom you pur chased the sys tem for as ­sis tance.

SO LU TION

Re duce au dio gain on trans mit ter by ad just ing
the gain con trols.

Check the gain set tings on the trans mit ter and
the vol ume con trol on the re ceiver. They may
be too low.

Make sure the an tenna is con nected and fully
ex tended. Fol low the lo ca tion sug ges tions on
page 15. Change the lo ca tion of the trans mit ter
an tenna or avoid the bad area with the re ceiv ers.

Make sure the Telex TT-16 is turned on - this
will usu ally elim i nate the in ter fer ence sig nal.

If prob lem per sist with the trans mit ter "ON", try
chang ing to an other chan nel.

RE DUCED DIS TANCE - Sys tem does n't op er ­ate as far as it once did. Sys tem does n't' op er ate
as well as you think it should.

BAT TER IES DON'T LAST

HUM - Au dio Sys tem emits hum or buzz thru

speak ers and sound en hance ment re ceiver.

Trans mis sion sounds com pressed on TR-16 E.D.R. func tion may be en gaged on the TT-16.

SET but ton does not work, can not change chan ­nel

Re ceiver Bat tery is pos si bly in need of re place ­ment. Trans mit ter an tenna pos si ble lo cated in ­cor rectly. Re ceiver not tuned prop erly.

If us ing "throw away" bat ter ies make sure they
are al ka line. If us ing nickel-cad mium or nickel
metal hy dride bat ter ies make sure they were
fully charged when yo are us ing them and fully
drained when you are done be fore re charg ing
them.

Lo cate Trans mit ter away from the au dio equip ­ment.

See set ting E.D.R. func tion on page 9. The
E.D.R. fea ture can only be used with the TR-16
and must be ac tive on both trans mit ter and re ­ceiver to be ef fec tive.

Lock Out is en gaged, press and hold UP and
DOWN but tons un til the pad lock sym bol dis ap ­pears.

-13-

FCC INFORMATION

The Telex TR-16 re ceiver is au tho rized un der part 15 of the FCC Reg u la tions. Changes or mod i fi ca ­tions to this equip ment could void the user’s au thor ity to op er ate the equip ment.

The Telex Model TT-16 trans mit ter is au tho rized un der Fed eral Com mu ni ca tions Com mis sion and
In dus try Can ada Rules. Li cens ing of the Trans mit ter, if re quired, is the us ers re spon si bil ity and
licensability de pends upon the us ers clas si fi ca tion, and fre quency se lected.

CAU TION: Changes or mod i fi ca tions made by the user could void the user's au thor ity to op er ate the
equip ment.

Op er a tion is sub ject to the fol low ing two con di tions: (1) This de vice may not cause in ter fer ence, and
(2) This de vice must ac cept any in ter fer ence, in clud ing in ter fer ence that may cause un de sired op er a ­tion of the de vice.

ACCESSORIES

CES-2 com plete TeleThin® An nouncer Earset.........................................................................800318000

(incluces TRV-04 125 ohm TeleThin® Re ceiver, CMT-98 5ft TeleThin®
Grey cordset and ET-4 Coiled Eartube)

SEB-1 Sin gle Earbud with Cord..................................................................................................59840005

DEB-2 Dual Earbud with Cord....................................................................................................59840001

HED-2 Col laps ible Light weight Head phone...............................................................................59840007

HED-3 Full Cush ion Noise Re duc tion Head phone.....................................................................63510021

TW-A 1/4 Wave Tele scop ing An tenna for TT-16 ...........................................................................877960

PA-2 USA Power Sup ply for TT-16 ................................................................................................730139

RM-S Sin gle Rack Mount for TT-16..........................................................................................71081001

RM-D Dual Rack Mount for TT-16.............................................................................................71081002

TR-16 Belt Clip ................................................................................................................................358815

-14-

TELEX COM MU NI CA TIONS, INC. 12000 Port land Ave. South, Bur nsville, MN 55337, U.S.A.

PN 804184 Rev. B AUG 2005 Made in U.S.A.