Gebruiksaanwijzing /service van het product L1520 van de fabrikant Amphony
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R R User and Installation Guide 5.8 GHz DIGIT AL Wireless Audio T ransmitter / Amplifier Model 1520.
Contents Unpacking Connecting the transmitter Connecting the amplifier Placing the transmitter and amplifier Operating the transmitter Operating the amplifier Troubleshooting T echnical specifications Safety information Your warranty .................
User and Installation Guide R R Step 1 Step 1 Connecting the transmitter The transmitter connects either to a standard line-out audio interface via the supplied RCA cable or to an amplified speaker output via the supplied short speaker cables.
User and Installation Guide R R Page 3 L R DC 9V L R L R AUDIO LINE OUT Audio Source Transmitter DC 9 V 300 mA Power outlet AC adapter Using the transmitter RCA audio input:.
L R DC 9V L R Using the transmitter speaker audio input: Transmitter DC 9 V 300 mA Power outlet AC adapter L R SPEAKER OUT Audio Source User and Installation Guide R R Page 4.
User and Installation Guide R R Page 5 Step 2 Step 2 Connecting the amplifier Connect the DC power input of the amplifier with the supplied large 24 V AC adapter (wallwart). The use of a surge protector is recommended to protect the amplifier from power surges which may damage the amplifier and connected speakers or may cause audio dropouts.
User and Installation Guide R R Page 6 Amplifier DC 24 V 1000 mA DC 24 V 1000 mA Power outlet AC adapter Speakers.
User and Installation Guide R R Page 7 Step 3 Step 3 Placing the transmitter and amplifier For optimum reception, the amplifier should be placed within the line of sight from the transmitter. If possible, the amplifier should be placed right side up with its front toward the transmitter.
User and Installation Guide R R Page 8 Example 1: Amplifier placed on top of a speaker Example 2: Amplifier mounted vertically behind a speaker Transmitter Speaker Amplifier Transmitter Speaker Amplif.
User and Installation Guide R R Page 9 Step 4 Step 4 Operating the transmitter After powering up the transmitter, the transmit light will go on for approximately five seconds while the transmitter initializes. After initialization, the transmit light will go out.
User and Installation Guide R R Page 10 L R DC 9V L R Transmitter volume control.
User and Installation Guide R R Page 11 Step 5 Step 5 Operating the amplifier As soon as a valid transmitter signal is received by the amplifier, the amplifier will output the amplified audio signal to the speaker outputs. Y ou can change the audio level by adjusting the amplifier volume control.
User and Installation Guide R R Page 12 Problem Possible Cause Solution The transmit light does not go on after DC power is applied to the transmitter Faulty AC adapter or faulty power outl et Check the power outlet and the AC adapter; if possible, check for correct voltage of the AC adapter.
User and Installation Guide R R Page 13 Problem Possible Cause Solution Speaker audio level is too low Audio signal too weak Incr ease the o utput l evel of the audio source (conne ct transm itter to an adj ustabl e output by using an adapte r if necessary).
User and Installation Guide R R Page 14 Problem Possible Cause Solution Strong inter ferenc e See under “ Stro ng Inter ferenc e“ on previ ous page. Transmit ter volum e control set too low Adjust the transmit ter volume control. Audio is noisy Audio signal too weak See under “ Audio signal too weak“ on previous page.
User and Installation Guide R R Page 15 Technical S pecifications Transmitter: Audio transmission method: Digital Transmitter frequency: 5.8 GHz Error correction: 1/2 rate FEC Audio sampling method: 128 times oversampling Transmitted data rate: > 3 Mbps Transmitter operating range: max.
User and Installation Guide R R Page 16 IMPORTANT SAFETY INFORMA TION ATTENTION! READ THESE SAFETY INSTRUCTIONS CAREFULL Y AND HEED ALL WARNINGS IN THIS MANUAL.
User and Installation Guide R R Page 17 NON-USE PERIODS • When the product is not being used for a long period of time, unplug the product. CLEANING • Unplug the product before cleaning. • When the system gets dirty, wipe it with a clean, soft cloth.
Limited warranty WHAT YOUR W ARRANTY COVERS This warranty extends only to the original user of the equipment (“you”, ”your”) and is limited to the purchase price of each part.
LEGAL LIMITA TIONS REPLACEMENT AS PROVIDED UNDER THIS W ARRANTY IS YOUR EXCLUSIVE REMEDY . WE SHALL NOT BE HELD LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESSED OR IMPLIED WARRANTY ON THIS EQUIPMENT , NOR FOR ANY INCIDENT AL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF, OR INABILITY TO USE, THIS EQUIPMENT .
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