Williams Sound SoundPlus WIR RX22-4 Assembly instructions

SoundPlus®4-Ch Infrared Receiver
WIR RX22-4
Instructions For Use & Care
Safety Information
Hearing Safety
CAUTION!
This product 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 put-
ting on the earphone or headphone before adjust-
ing the volume to a comfortable level.
2. Set the volume level at the minimum setting that
you need to hear.
3. Do not allow children or other unauthorized per-
sons to have access to this product.
Battery Safety & Disposal
CAUTION!
Do not attempt to recharge disposable batteries, which
may explode, release dangerous chemicals, cause burns,
or other serious harm to the user or product.
Medical Device Safety
CAUTION!
1. Before using this product with an implantable or other
medical device, consult your physician or the manufac-
turer of your implantable 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 implantable device 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 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.
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) batter-
ies are being installed, slide the
battery selection switch in
the battery compart-
ment to the “Alkaline”
position. See FIG. A.
If installing NiMH (or
rechargeable) batter-
ies, 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 improper 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.
FIG B: RX22-4 Control Panel
2. Plug the earphone or headphone into the Headphone
jack on the receiver’s control panel.
3. Turn the receiver on by rotating the Volume control
knob. The ON indicator should illuminate RED.
4. Select the channel you’d like by turning 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 trans-
mitter 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
AA
AA
–
+
FIG A
On/Off Volume Switch Control
Headphone Jack
"On"/Low Battery Indicator LED
Channel Selector Knob
not work properly.
5. Adjust the volume to a comfortable listening level.
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 rechargeables. 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 RX22-4 is equipped with rechargeable batteries,
up to 12 units can be charged at one time in the optional
CHG 3512 multicharger. Refer to the MAN 116 charger
instruction sheet for complete charging instructions. For
ordering information, 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, rinsed thoroughly, and air-dried. You
may also opt to purchase new foam pads. Call the factory for
more information: 800-843-3544.
MAN 127E © 2011. Williams Sound LLC 2 3 4 5

System Specifications
Personal PA®RX22-4 Receiver
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/cm2 for 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
Lanyard Clip Installation
FIG C FIG D
For hands free operation of the RX22-4 receiver, use the
provided lanyard clip to secure the unit on your lanyard,
pocket or pants.
To Install: Position the lanyard clip on the rear of the
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 engineered, designed and
manufactured under carefully controlled conditions to
provide you with many years of reliable service. Williams
Sound warrants the WIR RX22-4 receiver against defects
in materials and workmanship for FIVE (5) years. Dur-
ing 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 CONTROL 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, INCLUDING BUT NOT LIMITED TO, ANY
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR
A PARTICULAR PURPOSE. WILLIAMS SOUND SHALL NOT BE LI-
ABLE TO ANY PERSON OR ENTITY FOR ANY MEDICAL EXPENSES
OR ANY DIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES
CAUSED BY ANY USE, DEFECT, FAILURE OR MALFUNCTION OF
THE PRODUCT,
If you experience difficulty with your system, call Toll-
Free for Customer Assistance:
1-800-843-3544 (U.S.A.) or
[phone] (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.
Pack the system carefully and send it to:
Williams Sound LLC.
Attn: Repair Dept.
10300 Valley View Rd
Eden Prairie, MN 55344
MAN 127E © 2011. Williams Sound LLC
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