Audio technica AT-LP1240 User Manual

AT-LP1240-USB Professional DJ Direct-Drive Turntable (USB and Analog)

Installation and Operation

Professional DJ Direct-Drive Turntable

Safety instructions

1.Read these instructions.

2.Keep these instructions.

3.Heed all warnings.

4.Follow all instructions.

5.Do not use the apparatus near water.

6.Clean only with dry cloth.

7.Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9.Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A groundingtype plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10.Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

11.Only use attachments/ accessories specified by the manufacturer.

12.Use only with a cart, stand, tripod, bracket or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

13.Unplug this apparatus during lightning storms or when unused for long periods of time.

14.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

15.When the mains plug or appliance coupler is used as the disconnect device, it shall remain readily operable.

16.Please keep the unit in a good ventilation environment.

WARNING

To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on the apparatus.

		Caution: To reduce the risk of electric shock, do not remove
	CAUTION	any cover. No user-serviceable parts inside. Refer servicing
	RISK OF ELECTRIC SHOCK	to qualified service personnel only.
	DO NOT OPEN	to qualified service personnel only.

The lightning flash with arrowhead symbol within the equilateral triangle is intended to alert the use to the presence of un-insulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.

The exclamation point within the equilateral triangle is intended to alert the user to the presence of important operation and maintenance (servicing) instructions in the literature accompanying this appliance.

CAUTION

To prevent electric shock, do not use this polarized plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure.

Introduction

Thank you for purchasing the AT-LP1240-USB Professional DJ Direct-Drive Turntable (USB & Analog). This professional quality DJ turntable is designed primarily for DJ use in nightclubs, touring and mobile applications. It can also be used by music lovers to play their record collections at home. As an added benefit, the turntable offers a USB output that allows direct connection to a computer for easy LP-to- digital conversion. The turntable also features a built-in switchable phono/line pre-amp that allows connection to a stereo system equipped with either a phono or line-level input. Additional professional features for DJs include a sliding pitch control, anti-skate control, start and brake control adjustments, reverse, and dual start/stop controls.

Includes:

Removable dust cover, Audacity recording software, USB 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 pitch control with quartz speed lock

•Reverse operation

•S-shaped tone arm assembly with:

·Adjustable counterweight

·Anti-skate adjustment

·Tone arm height adjustment and lock

·Tone arm lift with hydraulic action and lift lever

·Tone arm rest with locking mechanism

•Dedicated ground lug for tone arm grounding

•Stroboscopic platter and speed accuracy indicator

•Damped cast aluminum record platter with low-resistance DJ-style slip mat

•Removable stylus target light

•45-RPM adapter

•Adjustable feet for leveling

•Removable dust cover

To assure maximum satisfaction from this product, please read the information and follow the instructions presented in this manual. Please keep the manual in an accessible location for future reference.

Unpacking

Carefully unpack the turntable and verify that the following parts are included and intact:

•Slip mat (above the dust cover)

•Dust cover (above the turntable)

•Platter (under the turntable)

•45 RPM adapter (accessory section)

•Counterweight (accessory section)

•Headshell (accessory section)

•Power cord (accessory section)

•USB cable

•Dual RCA (female) to 1/8" (3.5 mm) mini-plug (male) stereo adapter cable

•Dual RCA (female) to 1/8" (3.5 mm) mini-plug (female) stereo adapter cable

•Dual RCA (male) cable with integrated ground wire

•Stylus target light (accessory section)

•Audacity software (CD)

IT IS RECOMMENDED THAT ALL PACKAGING MATERIALS BE SAVED FOR POSSIBLE FUTURE STORAGE, MOVING OR SHIPPING.

Main Features

Figure 1

1.POWER DIAL

Controls power to the unit.

2.DUAL START/STOP BUTTONS

Engages and disengages the motor/platter.

3.PLATTER SPEED BUTTONS

Select 33 or 45 RPM platter speed. (Note: 78 RPM is selected by pressing both the 33 and 45 buttons simultaneously; both buttons should be illuminated.)

4.PLATTER

Cast aluminum platter mounts directly to center spindle/motor shaft.

5.STROBE DOTS (on platter edge)

Operate in conjunction with stroboscopic light located under the power dial (1) to provide visual indication of accurate platter speeds.

6.CENTER SPINDLE

Precision-machined platter mount on motor shaft.

7.REMOVABLE STYLUS TARGET LIGHT

Provides illumination directed at the stylus position for easier cueing in low light. Easily plugs into jack on top of turntable deck.

8.START CONTROL KNOB

Rotate the start control knob to increase or decrease platter start time between 0.2 – 6.0 seconds. (Minimum setting is the quickest start; maximum setting is the slowest start to reach selected speed.)

9.BRAKE CONTROL KNOB

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.)

10.REVERSE CONTROL KNOB Controls platter’s rotational direction.

11.SELECT SPEED RANGE

Select +/- 10 or 20% speed range. (Note: +/-50% is selected by pressing both the 10 and 20 buttons simultaneously.)

12.HEADSHELL

Standard, interchangeable stereo cartridge headshell.

15 14

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 the RPMs at 0% pitch,

regardless of the pitch slider position and speed range control settings.

15.PITCH ADJUST SLIDE CONTROL

Use in conjunction with pitch button to vary the platter’s rotational speed. In the center detent position quartz lock is active.

16.TONE ARM ASSEMBLY HEIGHT ADJUST

Raises and lowers the entire tone arm assembly to allow the tone arm to remain parallel to the record surface.

17.TONE ARM LIFT

Elevates tone arm above record surface.

18.TONE ARM REST WITH LOCKING CLAMP Locking clamp secures tone arm during transport.

19.TONE ARM LIFT CONTROL LEVER (“Cueing Lever”) Controls action of tone arm lift. (Note: Lift mechanism is hydraulically damped to slow tone arm descent.)

20.ANTI-SKATE CONTROL

Applies a small outward force to the tone arm, counteracting the tendency of the tone arm to move inward toward the center of the record.

21.TONE ARM ASSEMBLY HEIGHT LOCK (Hidden under counterweight in drawing.)

Locks the tone arm height setting. (Always fully unlock before attempting to make a height adjustment.)

22.COUNTERWEIGHT

Balances the tone arm and provides adjustment for proper downward tracking force on the stylus.

23.45-RPM ADAPTER (Shown in receptacle)

Adapt 7" records with large center holes to fixed center spindle.

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