Williams Sound PPA VP 37 Guida
Model PPA VP 37
Wide-Band FM Wireless Listening System
Manual and User Guide
Transmitter Model PPA T27
Receiver Model PPA R37
Optional Receiver Model PPA R38, PPA R37-8
MAN 159E
Model PPA VP 37 Wide-Band FM Wireless Listening System
2
Contents
System Overview......................................................................................3
Setting Up the PPA VP 37 ........................................................................4
Receiver Safety Information ......................................................................6
Recycling Instructions...............................................................................7
Receiver Model PPA R37 Instructions.......................................................8
Receiver Model PPA R37-8 (optional) Instructions ..................................10
Receiver Model PPA R38 (optional) Instructions......................................13
Channel Selection Chart..................................................................14
Belt Clip Installation (all Receiver models)................................................16
Using A Receiver With A Hearing Aid......................................................17
Receiver Management Suggestions .......................................................17
Receiver Battery Information...................................................................18
Troubleshooting Guide............................................................................19
Personal PA Value Pack System Specications.......................................21
PERSONAL PA Transmitter Model T27............................................21
PPA Select™ Receiver (Model PPA R37) .........................................22
Personal PA Receiver (Model PPA R37-8)........................................23
Personal PA Receiver (Model PPA R38)...........................................24
Lifetime Limited Warranty .......................................................................26
Repair Services ......................................................................................27
Model PPA VP 37 Wide-Band FM Wireless Listening System
3
System Overview
Thank you for purchasing the Personal PA Value Pack System from Williams
Sound. The PPA VP 37 System is a Wideband FM Listening System which
operates in the 72-76 MHz frequency band. Designed for hearing assistance
in places of public access, the PPA VP 37 is for those who need help
overcoming background noise, reverberation, or distance from the sound
source. The versatile PPA VP 37 is easily integrated with your existing sound
system or can be used with a microphone as a stand-alone system.
The system has two principal parts: the T27 Transmitter and the PPA
R37 Receiver. Much like a miniature radio station, the Transmitter and
microphone pick up the sounds you want to hear and broadcast them over
an FM radio signal. The receivers are used to pick up the broadcast up to
1000 feet (305 m).
To avoid diculties, please read through these instructions as you begin
to use the system. Then save the manual for questions that arise as you
continue to use your Personal PA Value Pack System.
If you have any problems with this Williams Sound product, please call us
toll-free at 1-800-843-3544.
Figure 1: Overall System Diagram
LOUDSPEAKER
LINE-LEVEL OUTPUT
LINE-LEVEL INPUT
SOUND SYSTEM
AMPLIFIER
MICROPHONES
PPA T27 TRANSMITTER
PPA SELECT™ RECEIVERS
WITH EARPHONES
A184
Model PPA VP 37 Wide-Band FM Wireless Listening System
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Setting Up the PPA VP 37
Figure 2: PPA T27 Features and Controls
A183
MIC INPUT
JACK, 3.5 MM
AUDIO LEVEL
INDICATOR
AUDIO LEVEL
CONTROL
FREQUENCY
DISPLAY (LED)
FREQUENCY
SELECTOR
LOCK/UNLOCK
CONTROL
12VAC POWER
INPUT JACK
75 OHMS ANTENNA CONNECTOR
AUDIO INPUT JACK, RCA-TYPE
(LINE LEVEL,UNBALANCED)
Model PPA VP 37 Wide-Band FM Wireless Listening System
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1. Select Location. Position the PPA T27 transmitter near the audio source
(i.e. sound system, mixer) from which it will receive audio.
2. Install the Antenna. Gently thread the ANT 021 rubber duckie antenna
onto the stud recessed in the hole on the top of the transmitter. FCC
rules allow only the use of antennas provided by Williams Sound. To use
a remote antenna supplied by Williams Sound, the antenna cap may be
removed by turning it counter-clockwise with a pliers or wrench. Please
call customer service 800.843.3544 if you have any questions.
3. Connect the Power. Locate the TFP 036 power supply cord equipped
with the 5-pin DIN connector, then plug the connector into the “Power
In” jack located in the back of the T27. Plug the power supply into the
AC outlet. On power up, the number “8” will scroll across the T27 display
while the system initializes. The system will then display the default
system frequency (72.9 MHz) or the last selected frequency set by the
user.
4. Select the Frequency. The T27 has 17 available channels in the 72-76
MHz band. By default, the T27 frequency is set to 72.9 MHz. To change
the frequency on the T27, press and release the down “ ” or up “
” frequency selector button until the desired frequency is displayed. After
3 seconds, the frequency selection will be set, and the audio will begin
transmitting on the new frequency.
NOTE: You can LOCK this selection to prevent others from accidently
changing the frequency.
To LOCK the desired frequency, press and hold both down “ ” and up
“ ” frequency selector buttons for 3 seconds until the word “Loc” appears
on the display. The frequency is now locked. Should the user press the
frequency selector button while in “Lock” mode, the word “Loc” will be
displayed for 2 seconds.
To UNLOCK the desired frequency, press and hold both down “ ” and up
“ ” frequency selector buttons for 3 seconds until the transmitter displays
”Un” then “Loc” on the display. The frequency is now unlocked. The user is
now free to change the frequency on the T27 as needed
5. Connect the Audio Source. On the back of the T27, an RCA-type
“Audio In” jack is available for connecting a line-level, unbalanced audio
source. On the front of the T27, a 3.5 mm “Mic Input” jack is available
to connect a Williams Sound electret microphone. Connect the desired
audio source to the T27 transmitter and proceed to step 6.
Model PPA VP 37 Wide-Band FM Wireless Listening System
6
6. Adjusting the Audio Source. With the audio source playing, use a small
screwdriver or tuning wand to rotate the “Adjust” control on the front of
the T27:1) clockwise to increase the audio level; or 2) counterclockwise to
decrease the audio level. Refer to the audio “Level” indicator LED on the
front of the T27 as you make your adjustments:
Audio Level Indicator LED
Never On = Audio source is TOO LOW.
Blinks occasionally = Audio source is OPTIMAL.
Always on = Audio source is TOO HIGH.
7. Listen with an FM Receiver.
IMPORTANT: The FM receiver being used with the T27 transmitter will
need to be on the same frequency as the transmitter.
Install the receiver batteries, plug in the earphone, turn on the receiver
and walk around the listening area. The signal should be clear and quite
loud when the volume is turned up. See pages 10-13 for detailed receiver
instructions.
Receiver Safety Information
HEARING SAFETY:
CAUTION!
The receiver is designed to amplify sounds to a high volume level which
could potentially cause hearing damage if used improperly.
To protect your hearing and the hearing of others:
1. Make sure the volume is turned down before putting on the earphone or
headphone before adjusting the volume to a comfortable level.
2. Set the volume level at the minimum setting that you
need to hear.
3. If you experience feedback (a squealing or howling sound), reduce the
volume setting and move the microphone away from the earphone or
headphone.
Model PPA VP 37 Wide-Band FM Wireless Listening System
7
4. Do not allow children or other unauthorized persons to have access to
this product.
BATTERY SAFETY AND DISPOSAL:
CAUTION!
The receiver may be supplied with alkaline batteries. Do not attempt
to recharge alkaline batteries, which may explode, release dangerous
chemicals, cause burns, or other serious harm to the user or product.
PACEMAKER SAFETY:
CAUTION!
1. Before using the receiver with a pacemaker or other medical device,
consult your physician or the manufacturer of your pacemaker or other
medical device.
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.
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 an 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.
Model PPA VP 37 Wide-Band FM Wireless Listening System
8
Receiver Model PPA R37 Instructions
PPA R37 is a 17-channel receiver operating on the 72-76 MHz bandwidth.
Features: seek-button channel selection, channel-lock capability, battery-
saving sleep mode, on/o volume control, power/low battery indicator,
stereo/mono earphone jack.
Figure 3: PPA R37 Controls
ON/OFF, VOLUME
CONTROL SWITCH
EARPHONE
JACK
"ON" / LOW BATTERY/
FLASH CODE INDICATOR
OFF
A116
Operating the Receiver
1. Insert two (2) AA batteries ensuring correct polarity. If rechargeable NiMH
batteries are to be used, make sure the Alkaline/NiMH switch inside the
battery compartment is set to NiMH before charging. See Figure 4.
2. Insert headphone, earphone or neckloop into the stereo output jack.
3. Turn receiver on by turning up the volume control. The green power LED
will blink and then stay on continuously.
4. Set receiver frequency to match transmitter frequency. Press the Channel
Seek button inside the battery compartment once to seek an active
transmitter. See Figure 4. If more than one transmitter is being used, you
will need to push the seek button additional times until you locate the
signal you want to hear. The receiver will retain the channel setting when
the unit is turned o.
5. To lock or unlock a selected channel, turn the power o. While holding the
Model PPA VP 37 Wide-Band FM Wireless Listening System
9
seek button, turn the power back on. When locked,the receiver will remain
on the current channel, regardless of channel seek button presses.
LED Flash Codes
Light Code Indicates Description
1 blink Channel locked Seek press remains on current channel
2 blinks Channel unlocked See press tunes to next channel present
Figure 4: Battery and Channel Selections
ALKALINE/
NiMH SWITCH
CHANNEL
SEEK BUTTON
AA
AA
–
+
+
–
Channel
Seek
A117
3 blinks Channel unlocked; no other
channels present
Seek press attempts to nd another
channel
On-O-
On-O...
(continuous)
Batteries are low Batteries need to be replaced or
recharged
Fade-on,
Fade-o...
(continuous)
No transmitter present on current
channel
Sleep/Power Save mode (extends
battery life)
Model PPA VP 37 Wide-Band FM Wireless Listening System
10
Receiver Model PPA R37-8 (optional) Instructions
The PPA R37-8 is an eight channel receiver, operating on 72-76 MHz
bandwidth. It features a channel selection knob, on/o volume control, LED
power and low battery indicator, and an earphone jack (See Figure 5).
Figure 5: PPA R37-8 Controls
Battery Installation
Install two (2) AA alkaline or NiMH rechargeable batteries. Open the battery
compartment by lifting the tab on the back of the receiver with a nger. To
remove depleted batteries, pull up on the fabric strip. IMPORTANT: If Alkaline
(or non-rechargeable) batteries are being installed, slide the battery selection
switch above the battery compartment to the “Alkaline” position. If installing
A565
ON/OFF, VOLUME
CONTROL DIAL
HEADPHONE
JACK
"ON"/LOW
BATTERY
INDICATOR
CHANNEL
SELECTOR
KNOB
OFF
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