Mark Feldstein & Assoc sp1790jk Trouble Shooting, Technical Specifications, No Sound, Distorted

Models: sp1790jk

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TROUBLE SHOOTING

NO SOUND

-Ensure the AC/DC adapter is fully inserted into the wall outlet and the jack located on the transmitter.

-Ensure the speakers are switched on and Blue LED light is visible.

-If the speaker’s battery capacity is too low, replace with new batteries or connect the AC/DC adapters to the speakers.

-Ensure the TV or audio (media) component is on.

-The connected audio/video (media) equipment is not playing. Start playing the equipment.

-If the volume on the speakers is too low, adjust the volume to an appropriate level on the speakers or using remote control unit.

DISTORTED

-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” on the speakers.

-Battery capacity is too low. Replace with the new battery.

-Ensure the volume level of speakers is adjusted properly.

-If the speakers are too far away from the transmitter (beyond 150 ft.), move them closer.

-The input level of the audio is too low. Turn up the volume of the audio source

equipment.

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TECHNICAL SPECIFICATIONS

Transmission Mode

: UHF

Carrier Frequency

: 900 MHZ Digital Hybrid

Operation Voltage

: Transmitter, DC 12V 150mA

 

Speakers, 6 x ‘C’ size Alkaline batteries or DC 9V

 

1A adapter.

 

Remote Control Unit, 2 X ‘AAA” size batteries

Frequency Response

: 40Hz – 12KHz

Distortion

: 1%

S/N Ratio

: 65dB (typical)

Operation Distance

: Up to 150 feet

Speakers

: 2-way

Output Power

: 2 x 5 Watts

NOTE: This equipment has been tested and found to comply with the limits of 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 the interference will not occur in a particular installation. If this equipment does not 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.

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Mark Feldstein & Assoc sp1790jk user manual Trouble Shooting, Technical Specifications, No Sound, Distorted