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1. OPEN BUTTON

    Press the OPEN button to fold down the front control panel.
    Then a CD can be inserted into the CD slot or ejected by pressing the EJ button.
    After flipping down the front panel, push it rightwards firstly, then draw the left of
    the panel outwards to remove it from the unit chassis.

2. SEL BUTTON (Select) AND ROTARY ENCODER

   a) Press the SEL button briefly, it is activated as selecting each mode of E. VOL.
       -> VOLUME ->BASS ->TREBLE -> BALANCE -> FADER ->
      When selecting a desired audio mode, rotate the VOL knob to adjust the audio
      effect.
      In each mode, the waiting time is about 5 seconds, and the time waiting time
      is over, it returns to the last display mode of tuner or CDP mode.
      The control mode of E.VOL is operated with following numeric display.
                         - VOL: (MIN)00, 01,......46, 47(MAX).
                         - BASS/TRE: -07, -06,...,00,...+06,+07
                         - BAL: 0LR9, 1LR9, ..., 9LR9,..., 9LR1, 9LR0
                         - FAD: 0FR9,1FR9, ..., 9FR9,..., 9FR1, 9FR0 

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SPECIFICATION

GENERAL
Supply Voltage                           DC 12V. Negative Ground
Current Consumption                 Max.15A
Power Output                             40Watts X 4(measured at DC 14.4V)
Number of channels                   2 STEREO channels.
Unit Dimensions                         178[W] X 165[D] X 50[H] mm.

FM SECTION
Frequency range                        87.5MHz - 107.9MHz 
Effective sensitivity                     3uV.
I.F Frequency                             10.7MHz.

AM SECTION
Frequency range                        530KHz - 1710KHz 
Effective sensitivity                     40dB.
I.F Frequency                             450KHz

RCA LINE OUT 
Output                                        1200mV @ CD MAX.

CD PLAYER
System                                      MP3 Audio System.
Suitable CDs                             MP3, WMA, CD, CD-R, CD-RW  Disc
Frequency characteristics         20Hz-100Hz < 5dB

\

                                                  10KHz-20KHz < 5dB.

\

S/N Ratio to CD                         50dB [1KHz]

LOCATION AND FUNCTION OF CONTROLS

Summary of Contents for NCA-681

Page 1: ...terference 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 elevation reception which can be determined by turning the equipment off and on The user isencouraged to try to correct the interference byone or more ofthe following measures Reorient...

Page 2: ...s now will help to prevent hearing damage or loss in the future After all we want you listening for a lifetime ABOUT THIS MANUAL This product features a number of sophisticated functions ensuring superior reception and operation All are designed for the easiest possible use but many are not self explanatory This operation manual is intended to help you benefit fully from their potential and to max...

Page 3: ...st display mode of tuner or CDP mode The control mode of E VOL is operated with following numeric display VOL MIN 00 01 46 47 MAX BASS TRE 07 06 00 06 07 BAL 0LR9 1LR9 9LR9 9LR1 9LR0 FAD 0FR9 1FR9 9FR9 9FR1 9FR0 Page 13 SPECIFICATION GENERAL Supply Voltage DC 12V Negative Ground Current Consumption Max 15A Power Output 40Watts X 4 measured at DC 14 4V Number of channels 2 STEREO channels Unit Dime...

Page 4: ...io disc if disc is loaded and AUX mode TROUBLE SHOOTING Before using the check list please make all the connections first If you still have questions after going through the checklist please consult your local customer service representative Common Symptoms There is no power The CDs cannot be loaded Cause The fuse has blown Presence of CD disc inside the player Inserting the disc in upside down Th...

Page 5: ...ong mode and the TRK 000 if the number of tracks is less than 100 and more than 9 it will be TRK 00 will be visible on the LCD display and the hundreds digit 0 that the MP3 WMA disc contains will flash Rotate the VOLknob to select and enter the number on the flashing digit place from 0 to 9 Then press the A P button to confirm the entered number and the 0 on the tens digit will be flashing Rotate ...

Page 6: ...SCN again to stop scan and remain the current frequency otherwise the radio will go on to scan the other radio frequency five seconds later 23 AUX INPUT JACK Press the mode button to select auxiliary input playing mode You can connect any matched external audio device to the auxiliary input jack Use the volume control to adjust volume 24 EJECT KEY In the power on state the loaded disc can be eject...

Page 7: ...ET BLACK GRAY BLACK GRAY VIOLET GREEN REAR LEFT SPEAKER BLUE AUTO ANT SPEAKER RED R WHITE L RCA LINE OUT 26 FLASHING LED When the front control panel is removed this indicator flashes 27 RESET BUTTON Before operating the unit for the first time or after replacing the car battery or changing the connections You must reset the unit Press this button with a cuspidal object This operation will erase t...

Page 8: ...4 16 18 20 7 11 15 19 21 1 5 3 13 12 10 9 17 2 OPERATION OF REMOTE CONTROLLER Before using the remote controller pull out the insulating patch This patch was installed to insulate the battery from draining until ready to use BATTERY INFORMATION Lithium Battery CR2025 3V Battery Life Approximately 6 months Replacing the Battery from the Remote Controller 1 Remove the battery holder by pressing the ...

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