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6

Operation

For best results, do not install or operate this unit near conditions of 

heat, moisture, dust, or heavy vibrations. (Note: Bright fluorescent lights 

may affect the visibility of the speed-indicating strobe dots. If this is a 

problem, simply cover the area with your hand, an album cover, etc.) 

Preparing to Play

1. 

If using in USB or Line mode, the pre-amp selector switch must  

 

be in the Line position.

2.  If there is a stylus guard on your stylus assembly, remove it;  

 

unlock the tone arm rest if it is locked.

3.  Turn the power dial to the ON position. The speed selector and  

 

strobe illuminator will light up.

4.  If desired, plug in the stylus target light for illumination of the  

 

stylus tip position on the record. 

5.  Place a record on the slip mat, lining up its center hole with the  

 

center spindle. For 45 RPM records, place the 45 RPM adapter on  

 

the center spindle before placing the record on the platter.

6.  Set the platter rotation speed (33/45/78) to match that of the  

 

record. (Note: To set the platter speed for 78 RPM, push both the  

 

33 and 45 RPM buttons simultaneously.)

Playing the Record

1. 

Press the start/stop button; the platter begins to rotate.

2.  Raise the tone arm by lifting the tone arm lift control lever to the  

 

UP position.

3.  Position the tone arm over the desired location (groove) on  

 

the record.

4.  Lower the tone arm by moving the tone arm lift control lever to  

 

the DOWN position. The tone arm descends slowly onto the  

 

record and play begins.

 

– or –

 

Use the finger-lift on the headshell assembly to position the tone  

 

arm over the desired location on the record. Carefully lower the  

 

tone arm to the record surface.

Reverse Play

1. 

If desired, press the reverse button to reverse the rotation of the  

 

platter. The reverse button will illuminate.

Suspending or Ending Play

1. 

To suspend play, lift the tone arm with the cueing lever.

2.  When play is finished, raise the cueing lever, move the tone arm  

 

to the rest position and secure the tone arm with the tone arm  

 

locking clamp.

3.  If using the stylus target light, turn it off by removing it from  

 

the jack.

4.  Press the start/stop button to apply the brake and stop the  

 

platter rotation.

5.  Turn the power dial to the OFF position.

Troubleshooting

Turntable operates but emits no sound or not enough sound.

1. 

The stylus guard is still in place. Remove the stylus guard.

2.  The tone arm is in the lift position. Lower the tone arm.

3.  Mixer/amplifier (system) controls are set incorrectly: wrong input  

 

selected, tape monitor on, speakers switched off, etc. Verify  

 

proper control settings.

4.  Stylus is broken or missing. Check the stylus assembly and  

 

replace if necessary.

5.  The stylus assembly may not be fully seated in the cartridge body. 

 

Check the cartridge and adjust if necessary.

6.  The turntable pre-amp selector switch is set in the wrong position.  

 

Verify that it is set for proper output to match mixer/amplifier input.

 

   -  No sound/very weak sound: Phono setting into an  

 

 

Aux/Line input.

 

   -  Very loud/distorted sound: Line setting into a Phono input.

Note:

 If using in USB or line mode, the pre-amp selector switch must 

be in the Line position.

Turntable operates but stylus “skips” across record.

1. 

The stylus guard is still in place. Remove the stylus guard.

2.  The tracking force is set too light. Set tracking force per cartridge  

 

manufacturer’s recommendation.

3.  The tracking force is set too heavy (stylus assembly is bottoming  

 

out on record). Set tracking force per cartridge manufacturer’s  

 

recommendation.

4.  The anti-skate control is set improperly. Verify anti-skate is set for  

 

same value as cartridge tracking force.

Turntable is picking up excessive vibrations from floor, walls, or  

 

nearby speakers. Reduce vibrations or place turntable on sturdy/ 

 

solid surface.

Record sounds too fast or too slow.

1. 

Turntable is set for wrong speed. Make proper speed selection for  

 

record type being played with platter speed buttons.

2.  Variable pitch is engaged. Depress Quartz button or return pitch  

 

adjust slider to center detent position to engage quartz lock.

Moving pitch adjust slider produces no effect.

1. 

If the LED next to the pitch adjust slider center detent position  

 

remains blue when the slider is moved, quartz lock is engaged.  

 

Depress the quartz button to disengage the quartz lock and  

 

activate variable pitch. The LED should turn off.

Strobe dots are difficult to see and/or stylus illuminator is very dim.

1. 

Excessively bright or fluorescent light interferes with strobe  

 

indicator. Hold hand, record jacket, etc. over strobe indicator to  

 

shield it from bright light.

Содержание AT-LP1240-USB

Страница 1: ...AT LP1240 USB Professional DJ Direct DriveTurntable USB and Analog Installation and Operation ...

Страница 2: ...SB cable adapter cables The AT LP1240 USB Professional DJ Direct Drive Turntable System features the following Direct drive high torque multi pole motor for demanding DJ use USB output no special drivers required for direct connection to your computer Selectable 33 45 78 RPM speeds Selectable internal stereo phono pre amplifier Dual start stop controls Start and brake control adjustments Sliding p...

Страница 3: ... HEADSHELL Standard interchangeable stereo cartridge headshell 13 HEADSHELL LOCKING RING Rotate counter clockwise to the left to draw the inserted headshell firmly into its seated locked position Rotate the ring a full turn to the right to permit removal of the headshell 14 QUARTZ BUTTON This button is used to turn the pitch function on and off When the Quartz is activated the platter will hold th...

Страница 4: ...n the tone arm rest with the lock ing clamp Figure 1 page 3 18 2 Mount your cartridge not included to the supplied headshell follow instructions included with your cartridge 3 Attach the headshell assembly by inserting it into the socket at the front of the tone arm See Figure 3 It s good practice always to hold a headshell assembly by the left and right edges of the head shell to reduce the possi...

Страница 5: ...maximum setting is the slowest start to reach selected speed Rotate the Brake control knob to increase or decrease platter brake time between 0 2 6 0 seconds Minimum setting is the quickest stop maximum setting is slowest Connections Connecting to Audio Source Connect the included dual RCA male interconnect cable to the RCA jacks on the back of the turntable Connect the other end of the RCA interc...

Страница 6: ...ower dial to the OFF position Troubleshooting Turntable operates but emits no sound or not enough sound 1 The stylus guard is still in place Remove the stylus guard 2 The tone arm is in the lift position Lower the tone arm 3 Mixer amplifier system controls are set incorrectly wrong input selected tape monitor on speakers switched off etc Verify proper control settings 4 Stylus is broken or missing...

Страница 7: ...0 1 WRMS JIS WTD with 33 RPM Signal to noise ratio 55 dB DIN B Output level Pre amp PHONO 2 5 mV nominal at 1 kHz 5 cm sec HP 4005 Pre amp LINE 150 mV nominal at 1 kHz 5 cm sec HP 4005 RIAA 20 20kHz 1 3dB In 1 5mV 1kHz Tone arm type Static balanced S shaped tone arm with detachable headshell Effective arm length 230 mm Overhang 15 mm Height of tonearm 0 6 mm adjustment range Tracking error angle L...

Страница 8: ... or modification or removal or defacing of the product labeling For U S service return instructions and procedure please go to www audio technica com returninstructions A T U S warranty is to the End User only Except for A T U S said express warranty A T U S MAKES NO WARRANTIES EXPRESS OR IMPLIED WITH RESPECT TO THE PRODUCTS A T U S SPECIFICALLY MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR ...

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