Alto DJM-4 User Manual Download Page 11

10

3.3.3 GND Screw

GND is the supplementary grounding selection for other connected instruments.

33

32

3.3.2 POWER Switch

This switch turns the Mixer ON and OFF.

31

3.3.1 AC Inlet and Fuse Holder

3.3.4 The MAIN OUT

3.3.5 EFFECTS Send and Return

3.3.6 INPUT

3.3 The Rear Panel

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

WARNING: SHOCK HAZARD
AVIS: RISQUE DE CHOC ELECTRIQUE

- DO NOT OPEN

- NE PAS OUVRIR

PHONO

LINE

PHONO

LINE

TAPE

BOOTH

POWER

GND

L

R

GND

GND

MAIN OUT

INPUT 2

INPUT 1

INPUT 3

EFFECTS

PHONO

LINE

RETURN

TO MAIN

SEND

FROM PFL

AMP

PHONO

LINE

PHONO

LINE

PHONO

LINE

AC INPUT

EUROPE
210-240V

50Hz

Fuse:T315mAL

ON

OFF

MODEL

SERIAL

RATED POWER CONSUMPTION: 25W

Apparaten skall anslutas till

till ett natverk

jordat uttag nar den ansluts

Useonly

with

a250V

fuse

Useonly

with

a250V

fuse

Useonly

with

a250V

fuse

32

33

31

34

35

36

37

38

40

39

41

Use it to connect your DJM 4 to the Main AC with the supplied AC cord. Please check the Voltage available
in your Country and make sure the voltage is identical to the values marking on the product. Replace the fuse
with the same type by the qualified personnel only.

The AMP, BOOTH and TAPE outputs are RCA type connectors. Yes the same largely used in hi-fi and are low
impedance.

Through the AMP output (34), you can connect your DJM 4 to an amplifier, and the level will be controlled by
OUT A on the Top panel;

Through the BOOTH output (35), you can connect your DJM 4 to an additional amplifier and/or loudspeaker
system and the level will be controlled by OUT B on the Top panel;

Through the TAPE output (36), you can connect your DJM 4 to a tape recorder. The TAPE level is fixed, so you
should adjust the input level of the recorder.

You can send the PFL signal through the SEND (37) sockets to a signal processor such as reverb, equaliser,
etc.. Then from the same effect unit you bring the signal back into the DJM 4 via the RETURN (38) sockets
and the audio signal is routed into the MAIN output.

- PHONO input (39): The three Channels feature PHONO inputs including RIIA preamplifier for turntable. PIN
(RCA) jacks shall be used to connect the turntable.

- LINE input (40): Through these RCA type sockets you can connect a CD player, an MD player or any other
high level device such as Tape Recorder, DAT, etc..

Important Notice:

If you wish to connect LINE level devices into the LINE/PHONO input, make sure that the

LINE/PHONO switch (41) is on LINE position otherwise the sensitive RIAA preamplifier built-in in the Phono
input will be overloaded and will produce distortion.

Summary of Contents for DJM-4

Page 1: ...User s Manual LTO R www altoproaudio com Version 2 0 August 2003 English 3 CHANNEL VCA CONTROLLED DJ MIXER WITH BEAT COUNTER DJM 4 ...

Page 2: ... to qualified service personnel only Do not perform any servicing other than those instructions contained within the User s Manual When required either blow off dust from the product or use a dry cloth Do not use any solvents such as Benzol or Alcohol For safety keep product clean and free from dust If the plug does not fit your AC outlet seek advice from a qualified electrician To avoid the risk ...

Page 3: ... most important member of our LTO AUDIO TEAM We would like to share with you our passion for what we design and invite you to make suggestions which will aid us in develop ing future products for you We guarantee you our commitment for quality continual research and development and of course the best prices The LTO DJM 4 is an extremely flexible 3 Channel VCA CONTROLLED DJ Mixer with Beat Counter ...

Page 4: ...ection 3 1 5 The BPM Section 3 2 The Front Panel 3 2 1 The KILL Function 3 2 2 The REVERSE Function 3 2 3 MIC IN Jack 3 2 4 CROSSFADER CURVE Control 3 3 The Rear Panel 3 2 5 The PHONE OUT Jack 3 3 1 AC Inlet and Fuse Holder 3 3 2 POWER Switch 3 3 4 The MAIN OUT 3 3 5 EFFECTS Send and Return 3 3 6 INPUT 4 TECHNICAL 11 SPECIFICATIONS 5 SYSTEM BLOCK DIAGRAM 12 6 WARRANTY 13 3 3 3 3 GND Screw ...

Page 5: ...rol PFL switch Crossfader curve Control Accurate Led Meter 10 segment VCA assisted Faders SURROUND control What a great DJ mixer you have just bought Your DJM 4 is packed with features such as digital beat counter 3 turn table input 3 line input microphone input 3 bands equaliser and replaceable cross fader just to mention a few Your DJM 4 is VCA Controlled and it is very easy to operate Please go...

Page 6: ...DDLE TREBLE BASS MIDDLE TREBLE MIN MAX BASS MIDDLE TREBLE GAIN MIN MAX SURROUND CHANNEL 1 TIME OFFSET TEMPO DIFFERENCE BEAT ASSIST 10 7 4 2 0 2 4 7 10 20 3 CHANNEL VCA CONTROLLED DJ MIXER WITH BEAT COUNTER DJM 4 LTO R CHANNEL 2 CHANNEL 3 LEVEL METER 30dB 15dB 30dB 15dB 30dB 15dB PFL PFL PFL SURROUND ON TALK ON MIN MAX BASS MIDDLE TREBLE GAIN 30dB 15dB 30dB 15dB 30dB 15dB MIN MAX BASS MIDDLE TREBLE...

Page 7: ...ng sure that the PHONO LINE switch on the rear panel is on PHONO position With this switch the one on the rear panel on LINE position the Input Channel will accept a high level audio signal The GAIN control 3 Via this knob you will adjust the input level Do not turn this control too much clockwise or you will overload the channel and do not turn it too much counterclockwise or you will generate ba...

Page 8: ...0 The OUT A control is used to adjust the main level of the AMP output on rear panel The BAL A control 11 The BAL A control is used to adjust the stereo balance of the AMP output on rear panel The OUT B control 12 The OUT B control is used to adjust the main level of the BOOTH output on rear panel The TALK control 13 When you speak through a connected microphone the volume of the reproduced music ...

Page 9: ...ents Led Meter will indicate the difference in between the CH 2 and CH 3 or programs If tempo the tempos on both channels are the same the center LED will light If the tempo of the music on channel 2 is faster the LED s on the left will start to light and vice versa 23 The CROSSFADER 25 This 7 segment Led Meter is positioned immediately below the Tempo Difference display This display will in dicat...

Page 10: ...CENTER and HOLD There isn t KILL function in the CENTER position In TAP position the function is triggered instantly and the switch will return to the center position as soon as you release it In HOLD position the function will be locked in the HOLD position To cancel the effect you will need to push back the switch in the center position The left and right KILL function are assigned to the CH 2 a...

Page 11: ... are RCA type connectors Yes the same largely used in hi fi and are low impedance Through the AMP output 34 you can connect your DJM 4 to an amplifier and the level will be controlled by OUT A on the Top panel Through the BOOTH output 35 you can connect your DJM 4 to an additional amplifier and or loudspeaker system and the level will be controlled by OUT B on the Top panel Through the TAPE output...

Page 12: ...use DIMENSIONS and WEIGHT Dimension Weight 40dB gain 1kHz unbalanced 0dB gain unbalanced 40dB gain servo balanced 0dB gain unbalanced typically 125mW 1 THD max 21dBu max 21dBu typically 0dBu 15dB 30dB 50Hz 15dB 30dB 2 5KHz 15dB 30dB 10KHz 54dB 50Hz 40dB 1KHz 26dB 10KHz 70dB 3dB LINE 0 05 20Hz 20KHz 2dB 20dB 9dB 3dB 3 pole IEC grounded USA Canada100 120V 60Hz Europe210 230V 50Hz U K Australia240V 5...

Page 13: ... 2 3 A 4 5 6 P B 7 8 9 P C 10 11 12 P D 1 2 3 A 4 5 6 P B GAIN GAIN 3 BANDEQ LO MID HI 3 BANDEQ LO MID HI 3c 5e 1a 4d 2b MIC INPUT Voltage Controlled Amplifier RETURNTO MAIN EFFECTS TAPE MAINOUT AMP MAINOUT SEND FROM PFL EFFECTS R L R L R L R L GAIN GAIN PFL MIX 3c 5e 1a 4d 2b PHONESOUT PFL LEVEL PFL MODE BPM SN8P1707Q LEVEL METER TEMPO DIFFERENCE TIME OFFSET PHONE LINE PHONE LINE CHANNEL3 INPUT P...

Page 14: ...d LTO of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 3 During the warranty service may repair or replace this product at its own option at no charge to you for LTO parts or for labor in accordance with the right side of this limited warranty 3 4 This warranty does not apply to the damages to this product that occurred as the following conditions Nor...

Page 15: ...roaudio com Tel 886 4 22313737 email alto altoproaudio com Fax 886 4 22346757 All rights reserved to ALTO All features and content might be changed without prior notice Any photocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2003 Sekaku Electron ...

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