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PHONIC CORPORATION

Page 15

MU1705 USER’S MANUAL

INITIAL SET UP

This procedure is very important. Even if you don’t 

like to read manuals, please read this section.  

After you connect up the system, you are ready 

to set the initial set up for every input channel. 

The match ing of every input trim to the signal 

source is crucial; every detail will affect the fi nal 

output of the mixer.  Basically, the input sen si tiv i ty 

adjustment for the channel fader and out put fad er 

are the main factors. You should try to set only 

as much mi cro phone trim as required to achieve 

good bal ance between signals. If the in put trim is 

set too low, you will not get enough gain on the 

faders to push the signal up to an ad e quate level. 

If the in put trim is set too high, the channel fader 

will need to be pulled down in compensation, but 

it leaves a great er risk of feed back because small 

fader movements will have a very sig nifi   cant ef fect 

on output level. Certainly, the limited fader travel 

path will not be successful in the mixing pro ce dure. 

Please use the following set up procedure. Don’t 

use the old way: turning the out put up until they 

clip and then backing off.

 

Set all faders and trim controls all the way 

off. 

 

Any condenser microphones should be con-

 nect ed before the +48V phantom pow er is 

switched on.

 

Set power amplifi er levels to 70%.

 

Set the Headphones lev el to about 50%.

 

If you want to hear what you’re doing later, 

plug your headphones into the phones     

output socket.

 

Depress the MUTE button.

 

Push in the PFL button.

 

Set EQ control to the cen ter position.

 

Set PAN and BALANCE knobs to the center 

position.  

 

You need headphones to continue.

 

Apply a typical performance level signal,            

mon i tor ing the level on the LED meter. 

Adjust the in put trim until the meter shows 

around the 0dBu position, with occasional peaks 

to the fi rst red  LED at max i mum source level. 

This al lows enough head room to ac coMUo date 

peaks and the max i mum level for normal op-

eration. You can lis ten to them through your 

headphones.

 

For microphone sources, the gain control ad just -

ment will de pend on what kind of mi cro phone 

you use, normally turn the trim clock wise to 2~3 

o

clock. But please ask the sing er to per form 

outloud, don

t whisper, if they  do not sing at 

a normal level while you

re doing the sound 

check,  you might drive the mix er to over load 

or pro duce feedback, be cause you set the gain 

too high during the ini tial set up.

 

Repeat this procedure on all other channels. 

When more channels are added to the mixer,the 

LED meters may move up to the red section, 

adjust the overall lev el using the master fad ers 

  INITIAL SET UP

Summary of Contents for MU 1705

Page 1: ...MU 1705 Compact Mixers...

Page 2: ...eat The unit contains no user serviceable parts Refer all servicing to a qualified CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER ALL S...

Page 3: ...TN 12 MASTER SECTION DESCRIPTION 13 AUX OUT 13 EFX OUT 13 PHONES 13 GROUP TO L R 13 GROUP 1 2 FADER 13 MASTER DISPLAY 14 MONO LEVEL CONTROL 14 MAIN L R OUTPUT FADER 14 REAR PANEL DESCRIPTION 14 PHANTO...

Page 4: ...fier turn off the MU1705 mixer after turning off the amplifier 7 Always turn off the power before connecting or disconnecting the unit 8 Never use solvents to clean the unit Clean with a soft dry clot...

Page 5: ...meet the requirements of the engineer who prefers to use a mixer that is installed on a standard 19 rack It is simple to install the rack mount kit by the following procedure 1 Install the rack mount...

Page 6: ...PHONIC CORPORATION Page 6 MU1705 USER S MANUAL CONNECTING IT UP CONNECTING IT UP...

Page 7: ...PHONIC CORPORATION Page 7 MU1705 USER S MANUAL TYPICAL CONNECTING LEADS TYPICAL CONNECTING LEADS...

Page 8: ...e ground level of the 2 connected units are not identical This means the system is much easierto experience noise interference Running long cables is easy for a balanced system but difficult for an un...

Page 9: ...cated PRE EQ noise generated by the external equipment may be 1 GAIN This rotary knob adjusts the channel signal level Too high and the signal will distort as it overloads the channel Too low and the...

Page 10: ...nsert the 18dB per octave 75Hz low cut filter in the signal path This low It can also be used to cut off low frequency hum 3 AUX EFX SECTION These rotary faders send out the input channel signal to AU...

Page 11: ...very useful for a mix ing engineer to monitor individual channels without affecting the main mixes for making adjustments or tracing problems 6 L R OR GP ROUTING SWITCH The input channel signals may b...

Page 12: ...functions are the same with the mono input channel strip 8 AUX RTN TheAUX RTN control section includes one knob and one PFL push button The knob controls the AUX RTN level When you would like to moni...

Page 13: ...he CTRL RM headphones level output 14 GROUP TO L R AFL GROUP TO L R You can assign the GROUP 1 2 signal to MAIN L R If you depress the L R or GP button of any input channel then the input signal will...

Page 14: ...djust the output level of the MAIN L R A 48V global Phantom Power master switch located in the rear panel available for condense microphone on each microphone input channel All faders CH1 11 Group 1 G...

Page 15: ...off Any condenser microphones should be con nected before the 48V phantom power is switched on Set power amplifier levels to 70 Set the Headphones level to about 50 If you want to hear what you re do...

Page 16: ...PHONIC CORPORATION Page 16 MU1705 USER S MANUAL APPLICATION1 LIVE SOUND REINFORCEMENT APPLICATIONS...

Page 17: ...PHONIC CORPORATION Page 17 MU1705 USER S MANUAL APPLICATION2 SUB MIXING APPLICATIONS...

Page 18: ...PHONIC CORPORATION Page 18 MU1705 USER S MANUAL APPLICATION3 MUSIC CLUB APPLICATIONS...

Page 19: ...PHONIC CORPORATION Page 19 MU1705 USER S MANUAL DIMENSIONS Measurements are shown in MU inch...

Page 20: ...PHONIC CORPORATION Page 20 MU1705 USER S MANUAL SPECIFICATIONS Due to continually improving product performance specifications are subject to change without notice...

Page 21: ...PHONIC CORPORATION Page 21 MU1705 USER S MANUAL SYSTEM BLOCK DIAGRAM...

Page 22: ...following books for those interested in advanced audio engineering and sound system operation Sound System Engineering by Don and Caro lyn Davis Focal Press ISBN 0 240 80305 1 Sound Reinforcement Han...

Page 23: ...t pro vide the noise iMUunity of a balanced input 48V the phantom power supply for channel mic inputs for condenser microphones and active DI boxes Feedback A howling sound caused by placing a microph...

Page 24: ......

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