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OPERATION 

1. 

Turn on the audio source to which the transmitter is connected with. The Signal LED on 

transmitter will light up. 

2. 

Select a channel of the transmitter for best performance in your location. 

3. 

Select the L/M/R (Left/Mono/Right) selector under the speakers, one to L (Left) and the other to 

R (Right) for the best stereo reception. In case the audio device only provides Mono audio signal, 

select to M (Mono) for the best mono reception. 

4. 

Press the “POWER” button on the speaker to turn on the speaker.    Press the “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. 

5. 

Volume can be adjusted up from the speaker by pressing “ 

  ” button or down by pressing the 

button “ 

  “, or by pressing “ + “ or “ – “ on the remote control, to the desired listening level. 

6. Tuning 

a) 

Keep a distance of 7 meters between speaker and transmitter, and then press the button 

“ TUNE “ button for best tuning reception. 

b). 

Once the frequency is jammed, select another channel on the transmitter, then press 

“ TUNE “ button again. 

7. Switching 

Off 

a) 

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. 

b) 

Press the “POWER” button to turn off the speaker and the LED light goes off.

 

 

 

 

 

 

Summary of Contents for SP4790A

Page 1: ...SP4790A 900MHz Wireless Speaker...

Page 2: ...mplifier the system enables you to enjoy thrilling lifelike sound stereo in minutes FEATURES z Phase Lock Loop PLL transmission system on product z 900 MHz RF technology stereo speaker systems z RF te...

Page 3: ...2 x AC DC 9V 1 2A Power Adaptor for Speakers 1 x 1 5M Long Audio Cable 1 x Short Y Cord RCA Adaptor Cable...

Page 4: ...FICATION TRANSMITTER SPEAKER RECEIVERS 1 Power LED Indicator 2 Signal LED Indicator 3 Audio In 4 Channel Selector 5 DC In For Transmitter 6 Speaker Grill and Power Signal LED Indicator 7 Infrared Rece...

Page 5: ...Mute 22 Lanyard Ring INSTALLATION TRANSMITTER 1 Plug the supplied 8V AC DC power adaptor in the DC jack located on the rear of the transmitter 2 Connect the supplied 8V AC DC power adaptor to an elec...

Page 6: ...VERS 1 Remove the door of the battery compartment 2 Insert 6 pieces of AA size ALKALINE batteries not included into the battery compartment with correct polarity under the speakers then replace the do...

Page 7: ...REMOTE CONTROL 1 Remove the door of the battery compartment 2 Insert 2 x AAA 1 5V batteries not included into the compartment...

Page 8: ...starts automatically and it stops when a signal is detected 5 Volume can be adjusted up from the speaker by pressing button or down by pressing the button or by pressing or on the remote control to th...

Page 9: ...tion input on the transmitter z Ensure the speaker is switch ON z Speaker s battery capacity is too low replace with new batteries or connect the AC adaptors to the speakers z Ensure the TV or audio c...

Page 10: ...5 S N Ratio 65dB Channel Separation 30dB Operation Distance Up to 50 meters open area Output Power 2 x 4W RMS WARNING 1 Batteries battery pack or batteries installed shall not be exposed to excessive...

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