Promowide SP1290 User Manual page 11

source for 4 minutes.
If the audio signal comes back, the transmitter will turn on automatically.
b) Turn off the speaker by tuning the volume control the OFF position.
c) Turn off the headphone by switching the On/Off control.
TROUBLE SHOOTING
NO SOUND
Ensure the AC/DC adapter is fully inserted into the AC outlet and the
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power connection input on the transmitter.
Ensure the speakers/headphone is switch ON.
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Speaker's battery capacity is low, connect the AC/DC adapter to the
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speakers.
Headphone's battery is low, recharge the batteries.
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Ensure the TV or audio component is ON.
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The volume of speakers/headphone is too low, adjust the volume to an
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appropriate level.
DISTORTED
Press the "AUTO-SCAN" button on the speakers/headphone until
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P.10