INTRODUCTION
SP1690
Cordless Stereo 900MHZ
Speaker System
This 900 MHz stereo 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 stereo in minutes.
FEATURES
1. Automatic Phases Lock Loop (PLL) scanning system on speaker
receivers
2. Phase Lock Loop (PLL) transmission system on transmitter
3. 900 MHz RF technology panel-like speaker system.
4. RF technology lets you roam freely throughout your house.
5. Operating distance up to 50 Meters
6. No line of sight limitation.
7. Virtually interference free stereo quality.
8. ALC and auto ON/OFF control.
9. Auto tuning function.
10. Bass boost function
11. Stereo (L and R) and Mono Selection
User’s Manual
Please read before using the equipment
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COMPONENT IDENTIFICATION
INSTALLATION
TRANSMITTER
Antenna
Signal (Green) Power (Red)
SPEAKER RECEIVERS
TRANSMITTER
1. Insert the antenna tube into the antenna wire.
2. Connect the supplied AC power adaptor to an electrical wall outlet.
3. Plug the AC power adaptor in the DC jack located on the rear of the
transmitter. The Power LED (Red) will on.
4. The rear of the transmitter has one audio cord that can be connected to
audio output jack of TV, Monitor, VCR, Radio recorder , CD / MP3 / VCD /
DVD players or to headphone / earphone jack with the connector
provided.
Plug the adaptor in the AC source and connect the audio plug to the audio
source. As soon as the transmitter is receiving the audio signal, it will
automatically switch on and the Signal LED (Green) will illuminate.
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SPEAKER RECEIVERS
5. Push the “SCAN” auto-tuning button to get the best tuning reception in
1. Insert 6 pieces ‘AA’ size ALKALINE
battery into the battery compartment with
correct polarity at the rear of the speakers
or connect the 12V power adaptor to the
DC input jack on the rear of each speaker,
then plug it to the wall AC outlet.
2. Switch on the speakers by turning up the VOLUME ON / OFF knob
towards ON direction. The POWER / STEREO LED will light up.
Switch off the speakers by turning down the VOLUME ON/OFF knob
towards OFF direction until a “click” sound is heard.
OPERATION
1. Turn on the audio source (TV or audio component) to which the
transmitter is connected with. The LED on transmitter will light up.
2. Select the channel 1 or 2 of the transmitter for best performance in your
the speakers. When the button is
pressed, frequency tuning starts
automatically and it stops when a
signal is detected. The POWER /
STEREO LED will change from red
to green.
A). Keep a distance of the speaker up
to 7 meters apart from transmitter, and then press “SCAN” auto-tuning
button for best tuning reception.
location.
3. Select the L/Mono/R selector on the speaker receivers, one to L and the
other to R for the best stereo reception.
à In case the audio device only provides Mono audio signal, select the
MONO/ST selector to MONO for the best mono reception.
4. Turn on the ON/OFF VOLUME knob on the speaker and adjust the
volume to the desired listening level.
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B) 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 “SCAN” auto-tuning
button again.
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6. The BASS BOOST button can be used to enhance the bass sound
depending on your own music
preferences. Turn bass/boost effect ON
simply by pressing the button down, and
pressing it once again to OFF.
NOTE :
You should now be able to place the speakers freely from room to room
without disruption. If disruption should occur (signal breaks up), press the
speaker’s “SCAN” auto-tuning button to maximize best reception.
If you hear interference from other components, switch 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 “SCAN” auto-tuning button for best reception.
When transmitting / receiving over long distances, the signal from the
system will become weaker.
SWITCHNG OFF
1. Turn the VOLUME ON/OFF knob
until the click sound is heard to turn
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off the speaker and the LED light
goes off
2. 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.
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TROUBLE SHOOTING
TECHNICAL SPECIFICATIONS
NO SOUND
- Ensure the AC adaptor is fully inserted into the AC outlet and the
power connection input on the transmitter.
- Ensure the speaker is switch ON.
- Speaker’s battery capa city is too low, replace with new batteries or
connect the AC 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 speaker is too low, adjust the volume to an
appropriate level.
DISTORTED
- Press the “SCAN” button on the speakers until matching the
frequency of the transmitter .
- Change the position of the channel selector on the transmitter.
Transmission Mode : UHF stereo
Carrier Frequency : 900 MHz
Operation Voltage : Transmitter, DC 12V 200mA
Speaker, 6 X ‘AA’ size Alkaline batteries or DC
12V 500mA adaptor
Frequency Response : 40Hz – 12KHz
Distortion : 1.5%
S/N Ratio : 50dB (typical)
Channel Separation : 30dB (Typical)
Operation Distance : Up to 50 meters
Output Power : 2 x 3W (RMS)
WARNING: Changes or modifications to this unit not expressly approved
by the party responsible for compliance could void the user’s
authority to operate the equipment. Operation is subject to
the following two conditions: (1) this device may not cause
You must then press the SCAN button on the speakers.
- Battery capacity is too low. Replace with the new battery.
- Ensure the volume level of speakers is adjusted properly.
- The speaker is too far from transmitter, move closer.
- The input level of the audio signal is too low. Turn up the
volume of the audio source equipment.
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interference, and (2) this device must accept any interference,
including interference that may cause undesired operation of
the device.
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