DSPPA
MIXING AMPLIFIER
- 6 -
Operating Instructions
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According to the connecting diagram above, connect the circuit of the system properly, plug in the power
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supply in case of no mistake in check, and then turn on the power switch on the front panel. After such startup,
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this equipment will play the program which is played upon the previous shutdown in the default state. For
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example, the radio program is being played upon the previous shutdown, the radio program will be played
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automatically upon this startup. In order to play the MP3 program, please press “MP3/TUNE” button or the
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“Mode” button on the infrared remote controller (please refer to the instructions to the infrared remote controller)
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for conversion.
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1. To play MP3 program
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1) Begin to play: Convert to the status of MP3 play by the above means (no such operation if it is playing
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MP3 program), insert the U disk storing MP3 programs into the USB interface, and the machine will play
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automatically. Use the button 12 and 13 on the panel of machine (refer to the instructions to the front panel) or the
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infrared remote controller (refer to the instructions to the infrared remote controller) to select the chapter to be
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played, and make use the button 4 to pause the play.
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2) Selection of repeat mode: MP3 may use the infrared remote controller to select the repeat mode of the
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program with the options of repeat one and repeat all. Press the button “RPT” once, and LED will display “ONE”
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indicating the repeated playing of the current played chapter; press button “RPT” again, and LED will display
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“ALL” indicating the repeated playing of all the chapters on the U disk.
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3) Selection of EQ mode: MP3 in this machine has five (5) EQ modes, including Class mode, Jazz mode,
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Rock mode, Bass mode and Pop mode. It is allowed to select by use of the button “EQ” on the infrared remote
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controller. When pressing the button “EQ”, the digital tube will display “Eq0” through “Eq4”. When pressing
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continuously, five modes such as “Eq0\Eq1\Eq2\Eq3\Eq4” will appear in order, from which the user can select as
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required.
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4) USB/SD: The MP3 player of this device can play the program from the USB port, and also from the SD
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interface, and select the last inserted memory to play program in it. For example, if it is playing the program from
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the USB port now, and a SD card is inserted into the device, it will play the MP3 program automatically from the
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SD card.
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2. To play radio channel program of tuner
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Convert to the “TUNE” play mode by the above means, and then begin to play the radio program.
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Search channel: Before playing, the user shall first search the radio channel. For this machine, there are
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two operating methods for searching channel.
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a. Search the radio channel with the MP3 song selection buttons on the infrared remote controller. Press the
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song selection button once, the radio frequency will increase or decrease by 0.1MHz. Press the button
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continuously to enable the frequency to increase or decrease to certain channel. By such method, the searched
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channel will not be memorized in the channel memorizing number. However, the machine itself has the memory
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