Transmitter Model T36, 72-76 MHz
Instructions For Use and Care
Thank you for purchasing the T36 transmitter from Williams Sound. The T36 is
designed to operate with a wideband FM, 72–76 MHz receiver. For more infor-
Sound at 800-843-3544 or 952-943-2252
PACEMAKER SAFETY
RECYCLING INSTRUCTIONS
CAUTION!
1. Before using this product with a
pacemaker or other medical device,
consult your physician or the man-
ufacturer of your pacemaker or
other medical device.
Help Williams Sound protect the
environment! Please take the
time to dispose of your equipment
properly.
2. If you have a pacemaker or other
medical device, make sure that you
are using this product in accordance
with safety guidelines established by
your physician or the pacemaker
manufacturer.
Product Recycling:
Please do NOT dispose of your
Williams Sound equipment in the
household trash. Please take the
equipment to an electronics recy-
cling center; OR, return the product
to the factory for proper disposal.
BATTERY SAFETY & DISPOSAL
Battery Recycling:
CAUTION!
Please do NOT dispose of used
batteries in the household trash.
Please take the batteries to a retail
or community collection point for
recycling.
Do not attempt to recharge disposable
batteries, which may explode, release
dangerous chemicals, cause burns, or
other serious harm to the user or
product.
07/29/08
®
MAN 142A ©2008 Williams Sound Corp.
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FIG. C: Channel Selection Chart
FIG. D: Configuration Controls
2:1
1:1
Freq.
R35-8 T36 Freq.
R35-8
T36
CH
-
Gain +
-
AUX
+
Comp
CH Lock
(MHz) Letter CH
CH (MHz) Letter CH
1
2
3
4
5
6
7
8
-
-
-
-
-
-
-
-
1
2
3
4
5
6
7
8
72.1
72.3
72.6
72.8
74.7
75.4
75.7
75.9
A
B
O
P
I
72.5
72.2
72.4
72.7
72.9
75.3
75.6
75.8
9
C
K
N
D
E
J
AA
AA
–
+
–
10
11
12
13
14
15
16
+
R
G
H
1
2
3
4
S
T
1. Gain Control
3. Compression Selector
4. Channel Lock
2. Auxiliary Input Level
GAIN CONTROL
NOTE: Up to eight T36’s can operate
simultaneously on channels 1-8 (FIG. C)
when used with an R35-8 receiver.
The gain control can be used to adjust
the volume level on both the micro-
phone and auxiliary input.
To adjust the volume level, open the
battery door and locate the Gain
Control (FIG. D). Use a plastic tuning
wand and rotate to increase “+” or
decrease “-” the gain.
6. Position the headset microphone boom
as close to the speaker’s mouth as pos-
sible without actually touching. Lapel
clip microphones should be attached to
a collar or lapel, as close to the speak-
er’s mouth as possible.
The transmitter can be placed in a pocket,
or clipped onto a belt or waistband.
AUXILIARY INPUT LEVEL
7. When you pause from speaking, mute
the microphone by pressing the
The auxiliary input level can be used
to adjust the auxiliary input level only.
To adjust, open the battery door and
locate the Auxiliary Input Level (FIG.
D). Use a plastic tuning wand and
rotate to increase “+” or decrease “-”
the input level.
Note: When using an auxiliary audio
source, if the “Aux Input Level” is set
too high, there can be increased audio
distortion and decreased battery life.
“ON/OFF/MUTE” button once
momentarily. The “ON/OFF/MUTE”
button will flash red. To unmute the
mic, press the “ON/OFF/MUTE” but-
ton once momentarily again.
IMPORTANT: When the T36 trans-
mitter is not being used, remember to
turn the unit OFF by pressing and hold-
ing the “ON/OFF/MUTE” button for
three seconds. The Power On indicator
should not be lit.
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COMPRESSION SELECTOR
BATTERY INFORMATION
By default, the T36 compression is set to
“Off” for normal operation, or “1:1” com-
pression. For hearing assistance applica-
tions, the compression selector can be set
to “On” for “2:1” compression.
To change this setting, open the battery
door and locate the Compression
Selector (FIG. D).
The T36 transmitter can use two (2)
alkaline AA batteries (BAT 001) or
two (2) AA rechargeable batteries
(BAT 026). Note: The BAT 026 pro-
vides longer life than other recharge-
able batteries. For best product per-
formance, do not substitute other
rechargeable batteries and chargers.
To turn on compression (2:1), use a
plastic tuning wand and slide the
“Comp” switch to the position marked
“2:1.” To turn off, slide the “Comp”
switch to the position marked “1:1.”
LOW BATTERY INDICATOR
The “Power On” indicator (FIG. B) will
flash to indicate low battery.
EXPECTED BATTERY LIFE
CHANNEL LOCK
Alkaline batteries
By default, the T36 channels are
unlocked to allow the user to change
frequencies as needed. If desired,
channels can be locked to prevent
users from changing the channels.
(BAT 001): 30 hours
Rechargeable NiMH Batteries
(BAT 026): 20 hours
Min.14 hour recharge time.
If the T36 transmitter is equipped with
rechargeable batteries, up to 12 units
can be charged at one time in the
optional CHG 3512 or CHG 3512
PRO multi-charger, or up to two units
in the CHG 3502 dual bay charger. For
ordering information, please contact
Williams Sound at 800-843-3544.
Note: The Channel Lock only locks the
electronic frequency; it does not physi-
cally lock the channel selector knob.
To lock or unlock channels, open the
battery door and locate the Channel
Lock (FIG. D). To lock the current
channel, slide the “CH Lock” switch to
the position marked “ “. To unlock
the channels, use a tuning wand and
slide the “CH Lock” switch to the
position marked “ “.
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BELT CLIP INSTALLATION
FIG. E
LIMITED WARRANTY
Williams Sound products are engi-
neered, designed and manufactured
under carefully controlled conditions
to provide you with many years of
reliable service. Williams Sound war-
rants the T36 transmitter against
defects in materials and workmanship
for FIVE (5) years. During the first
five years from the purchase date, we
will promptly repair or replace the
T36 transmitter.
Earphones, headphones, batteries,
cables, carry cases, and all other acces-
sory products carry a 90-day warranty.
Chargers carry a one year warranty.
FIG. F
NOTE: THE MANUFACTURER IS
NOT RESPONSIBLE FOR ANY
RADIO OR TV INTERFERENCE
CAUSED BY UNAUTHORIZED
MODIFICATIONS TO THIS EQUIP-
MENT. SUCH MODIFICATIONS
COULD VOID THE USER'S
AUTHORITY TO OPERATE THE
EQUIPMENT.
To Install: Position the belt clip on
the rear of the T36 transmitter as
shown in FIG. E. Turn the belt clip
180˚ left or right as shown in FIG. F.
The belt clip is now installed and
ready for use.
WILLIAMS SOUND HAS NO CON-
TROL OVER THE CONDITIONS
UNDER WHICH THIS PRODUCT IS
USED. WILLIAMS SOUND,
THEREFORE, DISCLAIMS ALL
WARRANTIES NOT SET FORTH
ABOVE, BOTH EXPRESS AND
IMPLIED, WITH RESPECT TO THE
T36 TRANSMITTER, INCLUDING
BUT NOT LIMITED TO, ANY
To Remove: Turn the belt clip 180˚
so the open end of the clip points to
the top of the unit as shown in FIG.
E. Gently pull the belt clip away from
the unit to remove.
IMPLIED WARRANTY OF MER-
CHANTABILITY OR FITNESS FOR
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A PARTICULAR PURPOSE.
If you experience difficulty with your
system, call Toll-Free for Customer
Assistance:
WILLIAMS SOUND SHALL NOT
BE LIABLE TO ANY PERSON OR
ENTITY FOR ANY MEDICAL
EXPENSES OR ANY DIRECT, INCI-
DENTAL OR CONSEQUENTIAL
DAMAGES CAUSED BY ANY USE,
DEFECT, FAILURE OR MALFUNC-
TION OF THE PRODUCT,
1-800-843-3544 (U.S.A.) or
+1 952 943 2252 (Outside the U.S.A.)
If it is necessary to return the system for
service, your Customer Service
Representative will give you a Return
Authorization Number (RA) and shipping
instructions.
WHETHER A CLAIM FOR SUCH
DAMAGES IS BASED UPON WAR-
RANTY, CONTRACT, TORT OR
OTHERWISE. THE SOLE REMEDY
FOR ANY DEFECT, FAILURE OR
MALFUNCTION OF THE PRODUCT
IS REPLACEMENT OF THE PROD-
UCT. NO PERSON HAS ANY
Pack the system carefully and send it to:
Williams Sound Corp.
Attn: Repair Dept.
AUTHORITY TO BIND WILLIAMS
SOUND TO ANY REPRESENTATION
OR WARRANTY WITH RESPECT
TO THE T36 TRANSMITTER.
10321 West 70th Street
Eden Prairie, MN 55344
UNAUTHORIZED REPAIRS OR
MODIFICATIONS WILL VOID THE
WARRANTY.
The exclusions and limitations set out
above are not intended to, and should
not be construed so as to contravene
mandatory provisions of applicable
law. If any part or term of this
Disclaimer of Warranty is held to be
illegal, unenforceable or in conflict
with applicable law by a court of com-
petent jurisdiction, the validity of the
remaining portions of this Disclaimer
of Warranty shall not be affected, and
all rights and obligations shall be con-
strued and enforced as if this Limited
Warranty did not contain the particular
part or term held to be invalid.
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SYSTEM SPECIFICATIONS
FM TRANSMITTER, MODEL T36
Dimensions:
Weight:
4.1” L x 2.8” W x 1.1” H (104 mm x 71 mm x 28 mm)
2.6 oz (74 g), no batteries
Housing Material:
Battery Type:
Shatter-resistant PC/ABS plastic
Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001),
70 mA nominal current drain, 30 hours approx. life or
Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026), 70 mA
nominal current drain, 20 hours per charge approx., recharges in
14–16 hours, uses CHG 3502 or CHG 3512 Charger
Selectable, 16 channels, 72.1 – 75.9 MHz* (channels 1-8 corre-
spond with R35-8 receiver channels)
Operating Freq’s:
Stability:
.005%, frequency synthesized, crystal reference, PLL
Wide-band FM, 75 kHz pk, 75 μS pre-emphasis
80 mV/m at 3 m (max. allowed by FCC rules)
200 Hz to 13 kHz, 3 dB at 1% max. THD
Modulation:
RF Output:
Freq Response:
Signal-to-Noise Ratio: 65 dB (typical) transmitted
Transmit Antenna:
Microphone:
Integral with microphone cord
Electret type, 3.5 mm mono phone plug
External Controls:
Momentary push button: push and hold 3 seconds for power On/Off,
push and release for microphone mute On/Off; Rotary sixteen channel
switch (with internal channel lock switch)
Mic Input:
Aux Input:
3.5 mm mono phone jack with electret mic bias, internal adjustable
gain with 25 dB range
2.5 mm stereo phone jack, internal adjustable gain with 60 dB range
Audio Compression: 1:1 or 2:1 ratio selected with internal slide switch
Compatible Receivers: PFM R31, PFM R32, PFM R33, PFM R36, PPA R35, PPA R35-8, PPA R1600
Approvals/Directives: FCC, Industry Canada, RoHS, WEEE
Warranty:
Note:
5 years, parts and labor (90 days on accessories)
FCC regulations, section 15.21, requires the user to comply with the
rules of transmitter operation. Any changes or modifications made
by the user not expressly approved for compliance may result in the
loss of all privileges and authority to operate the equipment
*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO
AUDITORY ASSISTANCE
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
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®
10321 West 70th St., Eden Prairie, MN 55344 U.S.A.
800.843.3544 | 952.943.2252 | FAX: 952.943.2174
MAN 142A ©2008 Williams Sound Corp.
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