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AVSL 172.884 QSM-4USB User Manual

Page 3

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172.884UK User Manual

Introduction

Thank you for purchasing the qtx QSM-4USB mixer. This product has been designed

to provide reliable and accurate performance as part of a sound system or recording

setup. Please read and follow the instructions in this manual to get the best from this

item and avoid damage through misuse.

Warning

To prevent the risk of fire or electric shock, do not expose any of the components to
rain or moisture. If liquids are spilled on the casing, stop using immediately, allow

unit to dry out and have checked by qualified personnel before further use.
Avoid impact, extreme pressure or heavy vibration to the case
No user serviceable parts inside. Refer all servicing to qualified service personnel.

Keep away from direct sunlight, heat sources, damp or dusty environments
Use a soft cloth with a neutral detergent to clean the casing as required

Do not use strong solvents for cleaning the unit

Connections

Before using this unit, make sure that the AC Adaptor is the correct voltage.

The unit is fitted with 2 unbalanced main output RCA connections for an amplifier or

recording equipment.

The MIC L (15) and MIC R (16) inputs each accept a microphone on 6.3mm jack.

On the rear panel are 3 stereo inputs – Line 1/Phono 1, Phono 2 and CD

LINE 1/PHONO 1 INPUT (17) will accept turntable input or can be switched to

accept line level signal (CD, mp3 player, PC etc.)

PHONO 2 INPUT (18) will accept turntable input.

CD INPUT (19) will accept any line level input such as a CD, mp3 player or PC.
An EARTH SCREW (21) for earthing turntables to is located on the rear panel.

A USB socket (22) on the top panel accepts a USB storage device for playback of

digital audio tracks stored on the device.

Headphones can be plugged into the front panel mounted HEADPHONE (14) jack.

Operation

POWER ON: Once you have made all the equipment connections to your mixer, turn

down the rotary VOLUME (11) control fully and switch on the POWER BUTTON
(23)
. The power will turn on and the power LED will illuminate.

Increasing the VOLUME control gradually increases the output level until the desired

volume is reached. This can be checked with a known input source with its channel

level up full.