USB 7339 - DJ Equipment US Blaster - Free user manual and instructions

Product type	DJ CD player with built-in mixer
Brand	US Blaster
Model	USB 7339
Power supply	Mains 115/230 V (selectable), fuse 250 V 1 A
Disc drive	Dual CD drive (DISC 1 and DISC 2) with motorized tray
Main functions	Play/pause, track skip, search, jog/shuttle, pitch control (up to ±16%), pitch bend, looping (In/Out/Reloop), programming (20 tracks), repeat play, Single/Continue modes, time display
Built-in mixer	2 channels with 3-band equalizer (High, Mid, Low), gain, cue, channel fader, interchangeable crossfader, master level, headphone output
Inputs	2 selectable line/phono inputs (RCA), microphone input XLR and 6.35 mm jack
Outputs	General stereo output (RCA), line output
Connectivity	Ground terminal (GND) for turntable, line/phono selector
Dimensions	Approximately 48 x 32 x 12 cm (estimate)
Weight	Approximately 5 kg (estimate)
Care and cleaning	Use a dry or slightly damp cloth; do not use chemical products
Safety	Do not expose to heat, moisture, or vibrations; do not open the case; unplug in case of malfunction
Spare parts and repairability	Contact the seller or a qualified engineer; any unauthorized repair voids the warranty
General information	User manual available in 29 pages; warranty void in case of misuse

Frequently Asked Questions - USB 7339 US Blaster

How to play a disc on the USB 7339?

Place the disc in the tray (22) and press the OPEN/CLOSE button (21) to close. Then press the PLAY/PAUSE button (14) to start playback.

How to use looping (loop)?

During playback, press the IN button (5) to set the loop start, then OUT (8) for the end. The loop repeats automatically. To reactivate the last loop, use RELOOP (10).

How to program tracks?

Press PROG (7) to enter program mode, select a track with the skip buttons (9), confirm with PROG (7). Repeat up to 20 tracks, then start playback with PLAY/PAUSE (14).

How to adjust playback speed (pitch)?

Use the PITCH CONTROL fader (16) to speed up or slow down. First activate pitch with the PITCH button (18) if necessary. For a temporary change, use PITCH BEND + (17) or - (20).

How to connect a microphone?

Connect a microphone to the MIC input (44) with a 6.35 mm jack or to DJ MIC (43) with an XLR. Adjust the level with the MIC DJ control (30).

How to use the crossfader?

The crossfader (36) allows fading between the two channels. In the left position, only channel 1 is heard; on the right, channel 2; in the center, both. Use it for quick transitions.

What to do if the tray does not open?

Make sure you have first pressed the STOP or PAUSE button. If the problem persists, check the power supply and contact the seller.

How to clean the device?

Use a clean, dry cloth. For stubborn stains, lightly dampen the cloth. Never use chemical products or volatile liquids.

Can I connect a turntable?

Yes, connect the turntable to the line/phono inputs (42) and set the selector (41) to PHONO. Also connect the ground cable to the GND terminal (40).

How to change the playback mode (Single/Continue)?

Press the ROBO/SINGLE/CONTINUE button (6) repeatedly until you get the desired mode. The active mode is displayed on the screen.

USER MANUAL USB 7339 US Blaster

US BLASTER

OWNERS MANUAL

'BLACK SABBATH' CD PLAYERS

USB 7337 - 7338 - 7339

GENERAL SAFETY INSTRUCTIONS

BE CAREFUL WITH HIGH TEMPERATURES, AVOID DUST & MOISTURE, KEEP AWAY FROM TV & MAGNETISM, AVOID PLACING ON UNSTABLE LOCATION, DO NOT USE CHEMICALS, IF OUT OF ORDER CONTACT SALES AGENCY IMMEDIATELY, DO NOT OPEN THE CASE, BE CAREFUL WITH THE POWER CORD

1. Be careful with heat and extreme temperature

Avoid exposing it to direct sunlight or near a heating appliance. Do not exceed temperatures below 5 °C, or over 35 °C.

1. Keep away from humidity, water and dust.

Do not place appliance in a location with high humidity or lots of dust. Containers with liquid should not be placed on the set.

1. Keep away from sources of hum and noise, such as a transformer motor, tuner, TV set or amplifier.

2. Avoid placing on unstable locations. Select a level and stable location to avoid vibration.

3. Do not use chemicals or volatile liquids for cleaning.

Use a clean dry cloth to wipe off dust, or a moist soft cloth for stubborn dirt.

1. If out of order, contact sales agency immediately.

If any troubles arise, remove the power plug immediately, and contact an engineer for repairing. Do not open the cabinet yourself, it may result in an electric shock.

6-1. Be careful with the power cable.

Never pull the power cable to remove the plug from the outlet, be sure to hold the plug. When not using the player for an extended period of time be sure to disconnect the plug from the outlet.

1. Handle the compact disc carefully.

Always keep the disc clean; do not use cracked discs, it will damage the player.

Do not carry out any repairs on the equipment yourself; doing so will invalidate the guarantee. The equipment may also not be modified; doing so will also invalidate the guarantee. The guarantee is also invalidated if accidents and damage of any form are caused as a result of improper use and/or not heeding the warnings in general as laid out in this user guide. US Blaster Europe accepts no responsibility for any personal accidents as a consequence of not following the safety instructions and warnings. This is also the case for consequential loss in any form.

Keep the packaging safe so that, if the equipment is defective, you can send it back in its original packaging and so avoid any damage.

1. HEADPHONE JACKS

Used for connecting headphones.

2. JOG & SHUTTLE WHEELS

Shuttle: Use the dial to select the scanning direction and speed. The disc is scanned in forward direction when the shuttle dial is turned clockwise from the neutral position and in the reverse direction when the shuttle dial is turned counter-clockwise. The scanning speeds up when the shuttle dial is turned faster.

Jog: In pause mode, if you turn the jog, the point at which the sound is being

produced moves by a number of frames corresponding to the number of clicks. Clockwise moves the point forward, counterclockwise moves the point backward.

In play mode, the jog increases or decreases the speed of the song.

(clockwise : increase, counter-clockwise: decrease).

3. TIME BUTTON

Use this button to choose the time mode: Elapsed time, remaining time or total remaining time.

4. REPEAT BUTTON

Use this button to repeat one track or all the tracks of the CD.

5. IN BUTTON (LOOP SYSTEM)

This button sets the beginning of the loop. The loop indicator flashes on the display.

6. ROBO/SINGLE/CONTINUE

Press these to switch between the SINGLE and CONTINUOUS play mode. The selected mode is indicated on the LCD screen. In SINGLE mode the unit stops after each track. In CONTINUE mode, the unit reads all track and stops.

7. PROG BUTTON

You can program several tracks (20 tracks max.):

• Press the PGM button to enter the program mode.
• Use the skip track buttons to choose the track you want, then press the PGM button
• Repeat the operation to select all the tracks you want.
• Press the play / pause button to start the playback.

8. OUT BUTTON (LOOP SYSTEM)

When you press this button, you set the end point of the seamless loop and you start the loop.

To finish the loop, press this button again.

9. TRACK SELECT BUTTONS

Pressing 0-9 buttons, allows you to select tracks directly.

10. RELOOP BUTTON (LOOP SYSTEM)

This button is used to start the last saved loop.

11. SKIP I<< BUTTON

Use this button to re-start the track or to select the previous track.

12. CUE BUTTON

Pressing the CUE button during play provides a return to the position at which play was started.

13. +10 BUTTON

Use this button to jump 10 tracks.

14. PLAY / PAUSE BUTTON

The pitch will automatically rise when the + button is pressed and return to the original pitch when it is released.

15. SKIP >>I BUTTON

Use this button to select the next track.

16. PITCH CONTROL

Use this fader to increase or decrease the speed of the track.

17. PITCH BEND + BUTTON

The pitch will automatically rise when the + button is pressed and return to the original pitch when it is released.

18. PITCH BUTTON

If you push this button, the adjustment of the pitch potentiometer is available.

19. DISPLAY

20. PITCH BEND BUTTON

The pitch will drop while the button is pressed and return to the original pitch when it is released.

21. EJECT BUTTON

Press to load or eject disk.

NOTE: disc holder will not open unless stop or pause button has been pushed first.

22. DISC HOLDER

Place the discs in the holder, press the OPEN/CLOSE button to open and close the disc holder.

23. SEARCH BUTTON

When the indicator LED is lit, dial the jog for quick search forward and backward,

When the jog is unmoved for 8 seconds, the indicator turns off.

24. INPUT FADER

Controls individual source levels for CH1-2 in the mix

25. LED METER

Indicates the master output level

1. INPUT TOGGLE SWITCH

Selects which source will be live to that channel based on what you have connected to the rear panel input section. In CD1-2 position the internal CD units are active.

1. CUE FOR CH1-2

Selects which source will be live to that channel for CH1 &CH2

1. CH1 & CH2 GAIN CONTROL

Adjusts CH1&CH2 levels

1. CUE LEVEL CONTROL

Adjusts cue volume

1. DJ MIC

Adjusts microphone level

1. HIGH FADER 1-2

Adjusts CH1&CH2 equalization of high tones

1. MID FADER 1-2

Adjust CH1&CH2 equalization of mid tones

1. LOW FADER 1-2

Adjust CH1&CH2 equalization of low tones

1. FADER START

Activation allows you to start the CD players from you crossfader. Travel from left to right will start the right CD player and pause the left CD player.

1. MASTER LEVEL

Adjust master level output.

1. REPLACEABLE CROSSFADER

Achieves clean segues between the two input channels. 'Hard left' selects channel 1. 'Hard right' selects channel 2. With the crossfader centered, both assigned channels are live. Use the crossfader for fast and seamless segues from one selected channel to the other.

Rear Connection:

37. AC CORD

Used this cable to connect the AC mains power to the unit.

38. POWER BUTTON

Press the power switch to turn the unit on. To switch the POWER off, press the POWER switch again.

39. POWER SUPPLY SWITCH

Used this selector to choose the correct power supply.

40. GND

Grounding lug for turntable connection. Always use this connection when using turntables.(your turntable cable should have a grounding wire)

41. LINE/PHONO INPUT SWITCH

Use this to allow either line level or phono level equipment to be plugged into your channel inputs. When phono input is selected, your signal is fed directly to the high-quality RIAA phono pre-amplifiers. Line level sources will overload the sensitive phono pre-amps and will sound very bad, so always be sure to toggle the line/phono switch over to line before connection of line sources.

42. INPUT

Plug in the line level device such as tape deck or additional CD player here.

43. DJ MIC

For XLR type microphones.

44. MIC INPUT

For 1/4" microphone plugs.

45. STEREO MAIN OUTPUT

Unbalanced RCA connectors controlled by the master fader.

46. LINE OUT

Connect to the line input of a mixer.

USB 7337 - USB 7338

11 9 33 32 31 28 26 29 27 30 35 26 28 31 32 33 3 13 15 7 16 CD1 Z-001.1 PITCH CH1 CUE CD2 T-000.1 USB-7337 PITCH +10 Track MIN MAX HOLD MIN MAX MIN MAX RIOBO A GDP TRACK TMO PIOS TWO CDD USB-7337 8 10 17 20 18 21 4 6 5 23 12 14 CUE 2 19 24 34 36 1 25 24 22 HEADPHONE DISK 1 DISK 2

MADE IN CHINA ON OFF 113V 230V GND Laser RAGE 1 40 1000Ω Litter C, A552 1000Ω Litter SPE 6125 1120V 2400Ω 798/541/14 1892/239/96 T AC -IN FUSE 250V 1A L POWER SUPPLY 41 1150/230V 230V 60.50kV POWER CAPSIPATION 10V 74WWD CAUTION SERVICE WITH SAME TYPE: 41 250V FUSE ATTENTION : THRESH WITH THRESH OF ICE HANGE OF VENT WARNING: TO CONNECT THE EYE OF DRY OUT SETRICAL DRUM ON MOASURE AND THE EQUIPMENT TO RARE ON MOASURE RICE AMP LINE 1 LINE 1 LINE 2 LINE 2 LINE 3 LINE 3 RJ MHC OUTPUT INPUT DJ MIC MIC INPUT 38 40 39 37 45 41 42 41 43 44

USB 7339

US BLASTER 1 2 3 4 5 6 7 8 9 0 OPENCLOSE +10 TRACK REPEAT TIME PROG SINGLE/ CONTINUE A B RELOOP LOOP PITCH 16X -14X PITCH BEND SEARCH USB-7339 12 CUE 14 II 21 4 6 5 23 8 10 17 20 18 2 19

Pure technical diagram of a rectangular frame with an oval shape and a numbered label '22' (no text or symbols beyond the number)

CAUTION WARNING: SHOCK HAZARD-DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE-HE PAS OUVINR 115V POWER SUPPLY AC 115V/230V-240V-46/50Hz POWER CONSUMPTION 20WATTS FUSE 250V 250mAAL AUDIO OUT L R ON OFF AC-IN MADE IN CHINA 39 37 46 38

ALGEMENE VOORSCHRIFTEN

WEES VOORZICHTIG MET HOGE TEMPERATUREN, VERMIJD STOF EN VOCHT, HOUD WEG BIJ TV EN MAGNETISME, PLAATS HET TOESTEL OP EEN STABIELE ONDERGROND, GEBRUIK GEEN CHEMICALIEN, INDIEN DEFECT DIRECT CONTACT OPNEMEN MET FABRIKANT, MAAK DE KAST NIET OPEN, VOORZICHTIG MET HET NETSNOER

VOOR VEILIGE EN EFFICIËNTE BEDIENING

Pure technical diagram of a rectangular frame with an oval shape and a numbered label '22' (no text or symbols beyond the number)

CAUTION WARNING: SHOCK HAZARD-DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE-HE PAS OUVINR 115V POWER SUPPLY AC 115V/230V-240V-46/50Hz POWER CONSUMPTION 20WATTS FUSE 250V 250mAAL AUDIO OUT L R ON OFF AC-IN MADE IN CHINA 39 37 46 38

FONCTIONNEMENT

FAITES ATTENTION AUX TEMPERATURES ELEVEES, ÉVITEZ LES POUSSIÈRES & L'HUMIDITÉ, GARDEZ À DISTANCE DES TELEVISIONS & DES MAGNETISMES, ÉVITEZ DE PLACER L'UNITÉ À UN EMPLACEMENT INSTABLE, N'UTILISEZ PAS DE PRODUITS CHIMIQUES, SI L'UNITÉ TOMBE EN PANNE, CONTACTEZ IMMÉDIATEMENT LE VENDEUR, N'OUVREZ PAS LE BOITIER, PRENEZ SOIN DU CORDON D'ALIMENTATION

POUR UN FONCTIONNEMENT SECURISE ET EFFICACE

Pure technical diagram of a rectangular frame with an oval shape and a numbered label '22' (no text or symbols beyond the number)

CAUTION WARNING: SHOCK HAZARD-DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE-HE PAS OUVINR 115V POWER SUPPLY AC 115V/230V-240V-46/50Hz POWER CONSUMPTION 20WATTS FUSE 250V 250mAAL AUDIO OUT L R ON OFF AC-IN MADE IN CHINA 39 37 46 38

Pure technical diagram of a rectangular frame with an oval shape and a numbered label '22' (no text or symbols beyond the number)

CAUTION WARNING: SHOCK HAZARD-DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE-HE PAS OUVINR 115V POWER SUPPLY AC 115V/230V-240V-46/50Hz POWER CONSUMPTION 20WATTS FUSE 250V 250mAAL AUDIO OUT L R ON OFF AC-IN MADE IN CHINA 39 37 46 38