Williams Sound SoundPlus WIR RX22-4 Assembly instructions

MAN 127B ©2008 Williams Sound Corp.
®
SoundPlus®Four-Channel Infrared Receiver
Model WIR RX22-4, 2.3-3.8 MHz
Instructions For Use & Care
SAFETY INFORMATION
Hearing Safety:
This product is designed to amplify
sounds to a high volume level which
could potentially cause hearing dam-
age if used improperly. To protect your
hearing and the hearing of others:
1. Make sure the volume is turned
down before putting on the ear-
phone or headphone before adjust-
ing the volume to a comfortable
level.
2. Set the volume level at the mini-
mum setting that you need to hear.
3. Do not allow children or other
unauthorized persons to have access
to this product.
BATTERY SAFETY & DISPOSAL
Do not attempt to recharge dispos-
able batteries, which may explode,
release dangerous chemicals, cause
burns, or other serious harm to the
user or product.
PACEMAKER SAFETY
1. Before using this product with a pace-
maker or other medical device, con-
sult your physician or the manufactur-
er of your pacemaker or other medical
device.
2. If you have a pacemaker or other med-
ical device, make sure that you are using
this product in accordance with safety
guidelines established by your physician
or the pacemaker manufacturer.
CAUTION!
CAUTION!
CAUTION!

OPERATING INSTRUCTIONS
1. Install AA batteries: Open the battery
compartment by lifting the tab on the
back of the receiver with your finger.
To remove depleted batteries, pull up
on the fabric strip.
IMPORTANT: If Alkaline (non-
rechargeable) batteries are being
installed, slide the battery selection
switch in the battery compartment to the
“Alkaline” position. See Fig. A above. If
installing NiMH (or rechargeable) bat-
teries, slide the battery selection switch
to the “NiMH” position.
Press the batteries into place over the
fabric strip. Be sure to observe proper
polarity (+/-). Damage due to improp-
er battery installation may void the
warranty on the product. close the
battery door. LED will flash when the
batteries are getting low; continue to
use until the sound becomes weak or
distorted, or the unit quits operating,
then replace or recharge batteries.
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RECYCLING INSTRUCTIONS
Help Williams Sound protect the envi-
ronment! Please take the time to dis-
pose 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 electron-
ics recycling center; OR, return the prod-
uct 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 collec-
tion point for recycling.
9/15/06
AA
AA
–
+
FIG. A

On/Off
Volume Switch
Earphone
Jack
"On"
Indicator LED
Channel
Selector Knob
OFF
3
®
6. To turn the receiver off, rotate the
volume control knob to the left until
it clicks off. The ON indicator should
not be lit. To prolong the battery life
of the unit, turn the receiver off when
it is not in use.
Battery Information
The WIR RX22-4 Receiver can use two
(2) disposable AA batteries (BAT 001) or
two (2) AA rechargeable batteries (BAT
026). Note: The BAT 026 provides longer
life than other rechargeable batteries. Do
not substitute other rechargeable batteries
and chargers.
Low Battery Indicator
The “On” indicator on top of the unit will
flash to indicate low battery.
Recharging
If the WIR RX22-4 is equipped with
rechargeable batteries, up to 12 units can
be charged at one time in the optional
CHG 3512 multi-charger. Refer to MAN
116 charger instruction sheet for complete
charging instructions. For ordering infor-
mation, please contact Williams Sound at
800-843-3544.
Earpad Cleaning
Do not immerse the earphone in water or
other cleaning agent. Foam pads may be
removed and washed with a mild laundry
soap solution, rinse thoroughly, and air-
dried. You may also opt to purchase new
foam pads. Call the factory for more
information: 800-843-3544
FIG B: WIR RX22-4 Control Panel
2. Plug the earphone, headphone or
neckloop into the headphone jack on
the receiver’s control panel.
3. Turn the receiver on by rotating the
volume control knob. The ON indica-
tor should illuminate RED.
4. Select the channel you’d like by turn-
ing the channel selector knob on the
control panel. Choose between 4
standard frequencies:
2.3 MHz (Ch.1), 2.8 MHz (Ch. 2),
3.3 MHz (Ch.3), or 3.8 MHz (Ch. 4).
Important: Make sure the receiver
frequency matches the transmitter
frequency.
IMPORTANT: Make sure the
“SoundPlus IR” artwork on the front
of the unit is not covered up while in
use. Do not place the receiver in a
pocket or purse or it will not work
properly.
5. Adjust the volume to a comfortable
listening level

4
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LANYARD CLIP INSTALLATION
For hands free operation of the WIR RX22-4
receiver, use the provided lanyard clip to
hang the unit around your neck.
To Install: Position the lanyard clip on the
rear of the WIR RX22-4 receiver as shown
in FIG C. Turn the lanyard clip 180° left or
right as shown in FIG D. The lanyard clip
is now installed and ready for use.
To Remove: Turn the lanyard clip 180° so
the edge points toward the top of the unit as
shown in FIG C. Gently pull the lanyard
clip away from the unit to remove.
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 WIR RX22-4 receiver
against defects in materials and work-
manship for FIVE (5) years. During
the first five years from the purchase
date, we will promptly repair or
replace the WIR RX22-4 receiver.
Earphones, headphones, batteries,
cables, carry cases, and all other
accessory products carry a 90-day
warranty.
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
WIR RX22-4 RECEIVER, INCLUD-
ING BUT NOT LIMITED TO, ANY
IMPLIED WARRANTY OF MER-
CHANTABILITY OR FITNESS FOR
A PARTICULAR PURPOSE.
WILLIAMS SOUND SHALL NOT
BE LIABLE TO ANY PERSON OR
ENTITY FOR ANY MEDICAL
EXPENSES OR ANY DIRECT,
INCIDENTAL OR CONSEQUEN-
TIAL DAMAGES CAUSED BY
ANY USE, DEFECT, FAILURE OR
MALFUNCTION OF THE PROD-
UCT, WHETHER A CLAIM FOR
– or –
FIG. C
FIG. D

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SUCH DAMAGES IS BASED UPON
WARRANTY, CONTRACT, TORT OR
OTHERWISE. THE SOLE REMEDY FOR
ANY DEFECT, FAILURE OR MALFUNC-
TION OF THE PRODUCT IS REPLACE-
MENT OF THE PRODUCT. NO PERSON
HAS ANY AUTHORITY TO BIND
WILLIAMS SOUND TO ANY REPRE-
SENTATION OR WARRANTY WITH
RESPECT TO THE WIR RX22-4 RECEIV-
ER. UNAUTHORIZED REPAIRS OR
MODIFICATIONS WILL VOID THE
WARRANTY.
The exclusions and limitations set out above
are not intended to, and should not be con-
strued so as to contravene mandatory provi-
sions 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 obli-
gations 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 sys-
tem, 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

Receiver Style: Body-Pack, dual-lens detector, lanyard
Size: 4.1" L x 2.85" W x 1.2" H (104.1 mm x 72.4 mm x 30.4 mm)
Weight: 4.5 oz (127 g) with batteries
Color and Material: Black
Lanyard: 3 ft (.91 m), allows receiver to be worn around the neck
Operating Temperature: -10° C to +50° C
Battery Type: 2 x AA, alkaline (BAT 001) or NiMH (BAT 026)
Battery Life: Alkaline: 60 hours, NiMH: 30 hours/charge
Battery Drain: 25 mA, nominal
Charging Contacts: For use only with CHG 3512
Carrier Frequency: Channel 1: 2.3 MHz, Channel 2: 2.8 MHz
Channel 3: 3.3 MHz, Channel 4: 3.8 MHz
De-Emphasis: 50 uS
FM Deviation: ±50 kHz
Signal-to-Noise Ratio: 60dB min.
Squelch: Receiver squelches (mutes) at 40 dB S/N ratio
Frequency Response: 25 Hz to 16 KHz, +1 dB, -3 dB, electrical response
Total Harmonic Distortion: Less than 1%, electrical response
Controls: ON/OFF/VOLUME: combination thumbwheel knob
Channel Selector: four-position rotary switch
Indicators: Red LED “ON” indicator, flashes to indicate Low battery
Audio Output Jacks: 3.5 mm stereo mini phone jack Accepts 3.5 mm mono or
stereo phone plug
Audio Output Power: 15 mW max at 32 Ω
Acoustic Output: 125 dB SSPL90 with HED 002; 110 dB SSPL90 w/ EAR 013
Sensitivity: Better than 1 nW/cm2for 40 dB signal-to-noise ratio
Approvals: CE, FCC, RoHS, WEEE
Warranty: 5 years on receiver, 90 days on accessories
Compatible Headphones/ Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug,
Earphones: HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
®
10321 West 70th St., Eden Prairie, MN 55344 U.S.A.
800.843.3544 | 952.943.2252 | FAX: [phone]
www.williamssound.com
MAN 127B ©2008 Williams Sound Corp.
SYSTEM SPECIFICATIONS
F OUR -C HANNEL I NFRARED R ECEIVER , M ODEL WIR RX22-4