MAN 109C ©2005, Williams Sound Corp.
Components:
PFM T31 Body pack transmitter
BAT 001 AA Alkaline Batteries
Instructions:
Before you begin, make sure you have AA
Alkaline batteries installed in the transmitter. See Battery Information on page 2.
1. Plug the microphone into the “mic” jack
on top of the transmitter.
2. Turn the power on: Place the FM switch
to the “On” position.
3. Position the microphone as close to the
speaker’s mouth as practical.
4. When you are ready to speak, turn the
Mic Mute Switch to the “On” position.
When you are done speaking, mute the mic
by turning
the switch to the “Off” position. This will
eliminate any unwanted noise as a result of
the transmitter being on.
Note: The microphone cord is also the
transmitting antenna. For maximum range,
make sure the microphone cord is hanging
as straight as possible.
5. Remember to turn the transmitter off
when you are done using it: Turn the “FM”
switch to the “Off” position.
Thank you for purchasing the PFM T31 transmitter from Williams Sound. The T31 transmitter is designed to operate with a wide-band FM, 72–76 MHz receiver. For optimal performance, we recommend using the Williams Sound R31 or R32 receiver. Please call a
Williams Sound representative for more information: 800-843-3544.
How it Works: The T31 transmitter uses a microphone (not included) to pick up the desired
sound source. The speaker talks into the microphone, and the T31 transmitter broadcasts the
message over an FM radio signal. Listeners wear FM receivers to pickup the broadcast and
hear the speaker’s message.
Mic
Williams Sound FM
Off
On
FM
On/Off Switch
Mic Jack
Mic
Mic Mute Switch
PFM T31 Transmitter
Instructions For Use & Care
Williams Sound
Helping People Hear
®
2
Williams Sound
®
Helping People Hear
BATTERY INFORMATION:
Battery Type: (2) BAT 001 AA 1.5 V Non-rechargeable Alkaline batteries.
Battery Life: Approx. 12 hours. 70 mA nominal current drain.
Optional Rechargeable Batteries: BAT 026 AA NiMH rechargeable batteries. 10 hours per
charge, 70 mA nominal current drain. Uses Williams Sound CHG 200 Charger.
Ba
ttery Installation: Insert a small coin into the pry slot of the battery compartment. Turn
the coin to release the battery compartment cover. Carefully observe the marked +/- polarity and press the batteries into place. NOTE: Batteries installed incorrectly may result in
damage to the product. This is not covered under the product warranty.
Frequency Switches
Begin by opening the battery compartment. Remove the batteries, then open the back panel
to expose the circuit board.
Referencing the Switch Settings chart (above), adjust the frequency switches on the T31
transmitter accordingly using a small screw driver or paper clip.
Reinstall the batteries, then close the back of the transmitter. Plug in the mic, and turn on the
transmitter to provide a tuning signal for the receivers.
Be sure to change the receiver to the corresponding channel.
Switch Settings
MHz 1 2 3 4 5 6 7 8
72.1 DN UP DN UP DN DN DN DN
72.3 DN UP DN UP UP DN DN DN
72.5 DN UP DN UP DN DN UP DN
72.6 DN DN UP DN DN DN DN UP
72.7 DN UP DN UP UP DN UP DN
72.8 DN UP DN DN DN DN DN UP
72.9 DN UP DN UP DN DN DN UP
74.7 UP DN DN UP UP DN DN UP
75.3 UP UP DN UP DN DN DN DN
75.4 UP UP DN DN UP DN DN DN
75.5 UP UP DN UP UP DN DN DN
75.7 UP UP DN UP DN DN UP DN
75.9 UP UP DN UP UP DN UP DN
12345678
Battery
Compartment
3
Williams Sound
®
Helping People Hear
RECYCLING INSTRUCTIONS
Help Williams Sound protect the environment! Please take the time to dispose of
your equipment properly.
Product Recycling:
Please do NOT dispose of your Williams Sound equipment in the household trash.
Please take the equipment to a electronics recycling center; OR, return the product
to the factory for proper disposal.
Battery Recycling:
Please do NOT dispose of used batteries in the household trash. Please take the
batteries to a retail or community collection point for recycling.
8/16/05
LIMITED WARRANTY
Williams Sound products are engineered, designed and manufactured under carefully con-
trolled conditions to provide you with many years of reliable service. Williams Sound war-
rants the PFM T31 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 PFM T31 Transmitter.
Earphones, headphones, batteries, cables, carry cases, and all other accessory products carry a
90-day warranty.
WILLIAMS SOUND HAS NO CONTROL OVER THE CONDITIONS UNDER WHICH
THIS PRODUCT IS USED. WILLIAMS SOUND, THERE WHETHER A CLAIM FOR
SUCH DAMAGES IS BASED UPON WARRANTY, CONTRACT, TORT OR OTHERWISE.
THE SOLE REMEDY FOR ANY DEFECT, FAILURE OR MALFUNCTION OF THE
MAN 109C ©2005, Williams Sound Corp.
PRODUCT IS REPLACEMENT OF THE PRODUCT. NO PERSON HAS ANY AUTHORITY TO BIND WILLIAMS SOUND TO ANY REPRESENTATION OR WARRANTY WITH
RESPECT TO THE PFM T31 TRANSMITTER. 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 competent jurisdiction, the validity of the remaining portions of this Disclaimer
of Warranty shall not be affected, and all rights and obligations shall be construed and
enforced as if this Limited Warranty did not contain the particular part or term held to be
invalid.
If you experience difficulty with your system, call Toll-Free for Customer Assistance:
1-800-843-3544
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.
Pack the system carefully and send it to:
Williams Sound Corp.
Attn: Repair Dept.
10321 West 70th Street
Eden Prairie, MN 55344
4
Williams Sound Corp.
10321 West 70th St., Eden Prairie, MN 55344
U.S.A. 800-843-3544 / 952-943-2252 / FAX: 952-943-217
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