Introduction, Features, Cautions – Gemini UMX-3 User Manual

Page 5: Connections, Operation

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P a g e 5

Introduction

Congratulations

purchasing

the

Gemini

UMX-3

VCA

mixer.

This

state

the

art

mixer

backed

three

year

warranty,

excluding

crossfader

and

channel

slides.

Prior

use,

suggest

that

you

carefully

read

all

the

instructions.

With

VCA

technology,

audio

processed

voltage-controlled

amplifier

(VCA)

removing

from

the

crossfader

and

channel

slides

giving

them

extended

life

and

reducing

travel

noise.

The

crossfader

and

channel

slides

regulate

the

voltage

that

controls

the

VCA

circuit.

Additional

advantages

VCA

technology

include

the

ability

provide

precise

curve

adjustments

for

the

crossfader

and

channel

slides

without

sacrificing

audio

quality.

For

additional

information,

refer

the

diagrams

Page

for

crossfader

adjustment

and

channel

slide

curve.

Features

•

Stereo

Channels

•

Phono/Line

Convertible,

Line,

and

Mic

Input

•

Adjustable

Input

Assign

Switches

•

Channel

Slide

Curve

Control

•

Crossfader

with

Curve

Control

•

State

the

Art

Cue

Section

with

Split

•

Crossfader

Reverse

(Hamster)

Switch

•

Balanced and Unbalanced Master Outputs

•

Zone and Record outputs

•

Dual mode display

Cautions

. All operating instructions should be read before using this equipment.

. To reduce the risk of electrical shock, do not open the unit. There are

NO USER REPLACEABLE PARTS INSIDE. Please refer servicing to a

qualified service technician.

In the U.S.A., if you have any problems with this unit, call

1-732-969-9000 for customer service. Do not return equipment

to your dealer.

. Do not expose this unit to direct sunlight or to a heat source such as a

radiator or stove.

. This unit should be cleaned only with a damp cloth. Avoid solvents or

other cleaning detergents.

. When moving this equipment, it should be placed in its original carton

and packaging. This will reduce the risk of damage during transit.

. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.

. DO NOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANY

CONTROLS OR SWITCHES.

Height

Adjustment

Height

Adjustment

Height

Adjustment

Height

Adjustment

Height

Adjustment

When

using

UMX

mixer

with

professional

turntables,

such

the

Gemini

Series,

you

can

make

the

mixer

level

with

the

turntable

removing

the

mixer’s

feet.

. Place a small screw driver under the foot’s center anchor.

. Gently pry the center anchor up and the foot will come off.

To replace the foot:

. Place the foot on the mixer without the center anchor.

. Replace the center anchor and push down on it to anchor

the foot to the mixer.

Connections

. Make sure that the POWER (1)

POWER (1)

POWER (1) switch is in the off position. The

POWER LED (32)

POWER LED (32) will be off. This unit comes supplied with a 18 volt

AC adaptor. Plug the adaptor into the rear panel

power jack. Then plug

the adaptor into a proper power source.

. The UMX-3 is supplied with 4 sets of output jacks. The BALANCED

BALANCED

MASTER OUTPUT (4)

MASTER OUTPUT (4) jacks are used to connect to your main

amplifier using standard cables with 1/4” connectors. We recommend

using the balanced amp outputs if the cables to your amp are 10 feet or

more. BALANCED MASTER OUTPUTS

BALANCED MASTER OUTPUTS

BALANCED MASTER OUTPUTS have three separate

conductors, two of which are signal (positive and negative) and one

shield (ground). The balanced line uses a tip-ring-sleeve connection.

Tip = hot or positive (+), ring = cold or negative (-), and sleeve =

shield/ground. The MASTER OUTPUT (5)

MASTER OUTPUT (5)

MASTER OUTPUT (5) jacks are unbalanced and

used to connect to your main amplifier. The REC OUTPUT (7)

REC OUTPUT (7)

REC OUTPUT (7) jacks

can be used to connect the mixer to the record input of your recorder

enabling you to record your mix. The ZONE OUTPUT (6)

ZONE OUTPUT (6)

ZONE OUTPUT (6) jacks allow

you to hook up an additional amplifier.

. The MIC (3)

MIC (3)

MIC (3) input (found on the rear panel) OR

OR the MIC (35)

MIC (35)

MIC (35) input

(found on the front panel) accepts a 1/4" connector and balanced and

unbalanced microphones.

. On the rear panel are 3 stereo PHONO/LINE (9, 12, 13)

PHONO/LINE (9, 12, 13)

PHONO/LINE (9, 12, 13) inputs and 1

stereo LINE (8)

LINE (8)

LINE (8) input. The PHONO/LINE

PHONO/LINE

PHONO/LINE SWITCH

SWITCH

SWITCH (10)

(10)

(10) enables you to

set the (9)

(9)

(9) input to Phono or Line. The PHONO/LINE

PHONO/LINE

PHONO/LINE SWITCH

SWITCH

SWITCH (11)

(11)

enables you to set the (12)

(12)

(12) input to Phono or Line. The PHONO/LINE

PHONO/LINE

SWITCH

SWITCH (14)

(14)

(14) enables you to set the (13)

(13)

(13) input to Phono or Line. The

phono inputs will accept only turntables with a magnetic cartridge.

GROUND SCREWS (2)

GROUND SCREWS (2) for you to ground your turntables are located

on the rear panel. The stereo line inputs will accept any line level input

such as a CD player, a cassette player, etc.

. Headphones can be plugged into the front panel mounted PHONES

PHONES

(36)

(36) jack.

Operation

. POWER ON: Once you have made all the equipment connections to

your mixer, press the POWER (1)

POWER (1)

POWER (1) switch. The power will turn on and

the POWER LED (32)

POWER LED (32)

POWER LED (32) will light.

. CHANNEL 1: The GAIN (21)

GAIN (21)

GAIN (21) control allows you to individually adjust

the gain of the channel. Switch # (24)

(24)

(24) allows you to select the LINE 1/

LINE 1/

PHONO 1 (13)

PHONO 1 (13) or the LINE 2/PHONO 2 (12)

LINE 2/PHONO 2 (12)

LINE 2/PHONO 2 (12) input. The CHANNEL

CHANNEL

SLIDE

SLIDE (29)

(29)

(29) controls the input level of this channel.

. CHANNEL 2: The GAIN (23)

GAIN (23)

GAIN (23) control allows you to individually adjust

the gain of the channel. Switch # (26)

(26)

(26) allows you to select the LINE 3/

LINE 3/

PHONO 3 (9)

PHONO 3 (9) or the LINE 4 (8)

LINE 4 (8)

LINE 4 (8) input. The CHANNEL

CHANNEL

CHANNEL SLIDE

SLIDE

SLIDE (30)

(30)

controls the input level of this channel.

. INPUT ASSIGN SWITCHES: You can adjust the position of the INPUT

INPUT

ASSIGN (24, 26)

ASSIGN (24, 26) switches to move left to right, up and down OR

OR at a

45 degree angle. Make these adjustments with the power OFF.

1) Remove the channel slide, crossfader knobs and the 4 screws from

the sides of the lower face plate. Then remove the lower faceplate.

2) Remove the 2 screws in the corners of the assign switch plate.

Rotate the switch plate to the desired position, replace the screws

and tighten down.

3) To position the switch at a 45 degree angle, you need to reposition

the switch on the assign switch plate. First, remove the 2 screws in

the corners of the assign switch plate. Then, lift the switch plate up

and remove the 2 smaller screws next to the switch. Rotate the

switch plate to the right until the 45 degree holes align with the

switch holes, replace the screws and tighten down. Replace the

switch plate and tighten down.

1-732-738-9003

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