Element EWOS1 User manual

900MHz Digital Hybrid Wireless Outdoor Speakers
SP1790

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Table of Contents
Table of Contents
Introduction & Features
Description
Installation
Table of Contents
Operation
Warning
Technical Specifications
1
2
3
4
5
6
7
8
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Introduction & Features
This 900 MHz digital hybrid wireless speaker system uses latest wireless technology
that enables you to enjoy music and TV sound anywhere inside or outside your home.
You can simply connect the system to any audio source such as Radio, TV, VCR, Hi-Fi
and CD/MP3/VCD/DVD player. Without complicated wiring and installation with your
Audio/Video equipments and rear channel amplifier, the system enables you to enjoy
thrilling, lifelike sound in minutes.
1. Weatherproof indoor and outdoor speakers.
2. Automatic Phases Lock Loop (PLL) scanning system on speaker receivers
3. Phase Lock Loop (PLL) transmission system on transmitter
4. 900 MHz Digital Hybrid RF technology speakers system.
5. RF technology lets you roam freely throughout your house, garden.
6. Operating distance up to 150 feet.
7. No line of sight limitation.
8. Virtually interference free audio quality.
9. Auto ON/OFF control.
10. Auto tuning function.
11. Remote control unit.
12. Wall-mountable.
13. 2-way speakers.

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Description
Speaker Receivers
Transmitter
Front Rear Bottom
Front Rear
1
2
3
4
5
6
7
8
8
9
10
11
2
3
5 6 4
1. Auto Tune
2. Volume Up
3. Volume Down
4. Power
5. Power Indicator (Blue)
6. Infrared Lens
7. Speaker Grill
8. Hanging Hole
9. Battery Compartment
10. DC In Jack
11. Battery Cover
1. Signal Indicator (Blue)
2. Power Indicator (Red)
3. Antenna
4. Audio In Cable
5. Channel Switch
6. DC In Jack
1 4
Remote Control Unit
1
2
3
4
1. Power
2. Auto Tune
3. Volume Up
4. Volume Down
5. Lanyard Hole
5

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Installation
Transmitter
1. Insert the antenna tube into the antenna wire.
When the transmitter received an audio signal,
the blue SIGNAL LED and the red POWER LED
will illuminate together. If the blue SIGNAL LED
does not illuminate, ensure the audio source is
turned on.
Speaker Receivers
Insert 6 pieces 'C' size ALKALINE battery
into the battery compartment with correct
polarity at the bottom of each speaker
(batteries not included in the package) or
connect the 9V power adaptor to the DC input
jack on the bottom of each speaker, then plug
it to the wall AC outlet.
Connect the supplied AC/DC power adaptor to an
electrical wall outlet.
Plug the AC/DC power adaptor in the DC jack
located on the rear of the transmitter.
When the AC adapter is plugged in, the red
POWER LED illuminates. If the red POWER LED
does not illuminate, make sure the adapter is
plugged in.
The rear of the transmitter has one audio cord that
can be connected to audio output jack of TV,
M o n i t o r , V C R , R a d i o r e c o r d e r ,
C D / M P 3 / V C D / D V D p l a y e r s o r t o
headphone/earphone jack with the connector
provided.
2.
3.
4.
5.
1.
Press On/Off button and turn the speakers
ON. The POWER LED will light up in Blue.
Switch off the speakers by pressing the
ON/OFF button on the speakers or on the
remote control unit, and the LED will be off.
2.
To suit the needs of different users, these
speakers are designed for wall mounting.
There are two holes at the back of each
speaker for you to hang them on the wall.
3.
Remote Control Unit
Remove the battery cover at the rear of
the remote control unit and insert 2
pi e c es “ A AA” s ize b att e r ies ( not
included) into the battery compartment
with the correct polarity.
1.
Place back the cover and close the
battery compartment.
2.
Battery Cover

Operation
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Turn on the audio source (TV or audio component) to which the
transmitter is connected with. The blue signal LED on the transmitter
will light up.
1.
Select the channel 1 or 2 of the transmitter for best performance in
your location.
2.
Turn on the ON/OFF button on the speakers (the ON/OFF button on
the remote control unit cannot be used as a primary device to switch
on the speakers). Press the “AUTO TUNE” button to get the best
tuning reception in the speakers. When the button is pressed,
frequency tuning starts automatically and it stops when a signal is
detected. Tuning process can also be activated by pressing the “AUTO
TUNE” button on the remote control unit.
3.
Volume can be adjusted up by pressing “+” button or down by pressing
the button “-“ to the desired listening level, or you can press the “+”
button or “-“ button” on the remote control unit to adjust the volume
level.
4.
7 Meters
Note
Keep a distance of the speakers up to 7 meters apart from the
transmitter, and then press “AUTO TUNE” button for the best
reception.
a)
Whenever you find frequency jam, move your channel switch from one
channel to the other channel (there are two channels for selection) on
the transmitter, and then press the “AUTO-TUNE” button again.
b)
7 Meters
You should now be able to place the speakers freely from room to
room without disruption. Should there is any disruption (signal cuts off
or carries distortion), press the speaker's “AUTO TUNE” button to
maximize the best reception.
If you hear interference from other components, switch on the channel
control of transmitter, and then move the speakers to other free
location. You can re-adjust the tuning control by moving it either
channel 1 or 2 of the transmitter, then pressing “AUTO TUNE” button
for best reception.
When transmitting / receiving over long distances, the signal from the
system will become weaker.
5.
6. Switching Off
For protection of the transmitter and power saving, the transmitter
will cut off automatically if there is no/weak operation input signal
from audio source for 4 minutes.
In other words, if the signal comes back, the transmitter will work
again automatically.
a)
Press the ON/OFF button to turn off the speakers and the LED light
goes off, or simply press the ON/OFF button on the remote control
unit. If you use the remote control unit to turn off the speakers, the
speakers will be at stand-by mode for 5 minutes and the LED will be
changed from blue to yellow. You can switch on the speakers again
by using the remote control unit during the stand-by time. If there is
no signal from the remote control unit in 5 minutes, the speakers will
automatically power off.
b)

Warning
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THE POWER ADAPTORS ARE FOR INDOOR USE ONLY. IF IT IS
SLIGHTLY RAINING, KEEP THE SPEAKERS OPERATED BY
BATTERY AND MOVE THE ADAPTORS TO AREA OUT OF
RAINWATER.
This device must be used with the AC/DC adapters supplied in
the package.

Trouble Shooting
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No Sound Distorted
Ensure the AC/DC adaptor is fully inserted
into the AC outlet and the power connection
input on the transmitter.
Ensure the speakers are switch ON.
Speaker's battery capacity is too low,
replace with new batteries or connect the
AC/DC adaptors to the speakers.
Ensure the TV or audio component is ON.
The connected audio / video equipment is
not playing. Start playing the equipment.
The volume of speakers is too low, adjust
the volume to an appropriate level.
Press the “AUTO-TUNE” button on the
speakers until matching the frequency of
the transmitter.
Change the position of the channel selector
on the transmitter. You must then press the
“AUTO TUNE” button on the speakers.
Battery capacity is too low. Replace with
the new battery.
Ensure the volume level of speakers is
adjusted properly.
The speakers are too far away from the
transmitter, move it closer.
The input level of the audio signal is too
low. Turn up the volume of the audio source
equipment.

Technical Specifications
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Transmission Mode
Carrier Frequency
Operation Voltage
Frequency Response
Distortion
S/N Ratio
Operation Distance
Speakers
Output Power
:
:
:
:
:
:
:
:
:
UHF
900MHz Digital Hybrid
Transmitter, DC 12V 150mA
Speakers, 6 X 'C' size batteries or DC 9V 1A adaptor
Remote Control Unit, 2 X 'AAA' size batteries
40Hz 12KHz
1%
65dB (typical)
Up to 150 feet
2-way
2 x 5Watts
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.

Call Element Electronics Toll Free Tech support # at 1 888-319-9464
LIMITED WARRANTY
The Manufacturer warrants that this product is free of defects in
both workmanship and material. This warranty lasts for ninety
days from purchase of the product. The Manufacturer will
replace the defective product with the same or a model with
substantially the same features and function. In order to be
eligible for service, you must return the defective product to the
store where it was purchased. Proof of purchase is required.