Williams Sound SoundPlus WIR RX22-4 Assembly instructions
MAN127F
WIR RX22-4
SoundPlus®4-Ch Infrared Receiver
Instructions For Use and Care
MAN127F
Operating Instructions
1. Open battery compartment door on back of receiver by
pressing the tab down.
2. If using rechargeable NiMH batteries, slide the Alkaline/
NiMH switch to the NiMH position. Default setting is
Alkaline for non-rechargeable batteries. See Figure 1.
Figure 1: Battery selection switch
AA
AA
–
+
+
–
CAUTION: RECHARGE
ONLY NIMH BATTERIES
A192
ALKALINE/
NiMH
SWITCH
3. Insert 2 AA batteries over the fabric strip. Note correct
polarity (+/-).
MAN127F
ON/OFF, VOLUME
CONTROL SWITCH
HEADPHONE
JACK
"ON"/LOW
BATTERY INDICATOR
CHANNEL
SELECTOR
KNOB
A131
Figure 2: WIR RX22-4 Control Panel
4. Insert earphone or neckloop into the headphone jack.
5. Turn the receiver on by rotating the Volume control knob.
The ON indicator should illuminate RED.
6. Select a channel 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 transmitter frequency.
IMPORTANT: Make sure the “SoundPlus®IR” artwork on the front
of the unit is not covered while in use. Do not place the receiver
in a pocket or purse, or it will not work properly.
7. Adjust the volume to a comfortable listening level.
8. 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.
MAN127F
Lanyard Clip Installation
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 Figure 3A. Turn the lanyard clip 180°
left or right as shown in Figure 3B. 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 Figure 3A. Gently pull
the lanyard clip away from the unit to remove.
Figure 3: Lanyard clip installation
A189
Figure 3A Figure 3B
MAN127F
Battery Information
The WIR RX22-4 uses 2 AA batteries. We recommend
using Williams Sound Alkaline batteries (BAT 001) or
Rechargeable batteries (BAT 026) for longer battery life than
other brand batteries.
Low Battery Indicator
The “On” indicator on top of the unit will ash to indicate
low battery.
Multi Charger CHG 3512
This optional charger is ideal for customers using
rechargeable batteries. It will charge up to 12 receivers at
one time. See our website or call us for ordering information.
Accessories
To order accessories including earphones and replacement
earpads, batteries, and chargers, contact Williams Sound at
800-843-3544 or order on-line at: www.williamssound.com.
MAN127F
Printed in the USA · ©2012 Williams Sound, LLC
10300 Valley View Rd • Eden Prairie, MN 55344
800-328-6190 / 952-943-2252 • FAX: 952-943-2174
www.williamssound.com
Customer Service
If you experience difculty with your system, call toll-free for
Customer Assistance:
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.
Pack the system carefully and send it to:
Williams Sound LLC.
Attn: Repair Dept.
10300 Valley View Rd
Eden Prairie, MN 55344
MAN127F
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 ve (5) years. During the rst
ve years from the purchase date, we will promptly repair or
replace the WIR RX22-4 receiver.
Earphones, headphones, batteries, cables, carry cases, and
most 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 LIABLE 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.
MAN127F
Safety Information
HEARING SAFETY
CAUTION!
This product is designed to amplify sounds to a high
volume. To protect your hearing and the hearing of others:
1. Make sure the unit is OFF or the volume is turned down
before putting on the earphones.
2. Set volume level at the minimum setting you need to hear.
3. Do not allow children or other unauthorized persons to
have access to this product.
BATTERY SAFETY
CAUTION!
Do not attempt to recharge disposable batteries, which
may explode, release dangerous chemicals, cause burns,
or cause other serious harm to the user or product.
MAN127F
MEDICAL DEVICE SAFETY
CAUTION!
Before using this product with a pacemaker or other
implantable medical device, consultant your physician
or the manufacturer of the device to make sure that you
are using this product in accordance with their safety
guidelines.
Recycling Instructions
Help Williams Sound protect the environment!
Please do not dispose of equipment or used
batteries in the household trash. Take the equipment
to an electronics recycling center or return to the
factory. Take batteries to a retail or community
recycling location.
MAN127F
Dimensions: 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
Battery Type: 2x AA, alkaline (BAT 001) or NiMH (BAT 026)
Battery Life: Alkaline: 60 hours, NiMH: 30 hours/charge
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
Controls: ON/OFF/VOLUME: Combination thumbwheel
knob
Channel Selector: four-position rotary switch
Indicators: Red LED “ON” indicator, ashes to indicate
Low battery
Output Connector: 3.5 mm stereo phone jack, accepts either
stereo or mono plug
Audio Output Power: 15 mW max at 32 Ω
Acoustic Output: 125 dB SSPL90 with HED 021; 110 dB
SSPL90 w/ EAR 013
Approvals: CE, FCC, RoHS, WEEE
Warranty: 5 years on receiver, 90 days on accessories
System Specications
Personal PA®RX22-4 Receiver
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