Shure SCM262 Manuel d'utilisateur télécharger pdf (Page 6)

DIP SWITCHES

LEFT/RIGHT OUTPUT MIC/LINE:

DIP switches 1 and 2 adjust the left

and right outputs for line- or mic-level operation.

MIC 1/MIC 2 Ducking:

When ducking is on, the SCM262 will automat-

ically lower the gain of all STEREO inputs when someone is speaking into

one of the microphones.

DUCKING LEVEL:

Adjusts the amount of STEREO channel gain re-

duction when ducking is activated.

STEREO 3 JUKEBOX MUTE:

This DIP switch turns the Juke Box

Mute feature on or off. When on, any source connected to STEREO 3 will

mute STEREO 1 and 2 inputs.

PHANTOM POWER:

When in the down position, this switch activates

a 12 V phantom power source for condenser microphones. Phantom

power does not affect the operation of balanced, dynamic microphones,

so one can be connected to the SCM262 in combination with a condenser

microphone.

APPLICATIONS

General Application

This is a general setup for most situations which require the combined

use of professional microphones and consumer stereo equipment. Using

this general setup, there are several other options available for further ad-

justing the SCM262 for your sound system. See the diagram on the fac-

ing page.

1. Turn all gain controls counterclockwise.

2. Connect L/R STEREO INPUTS of the SCM262 to the L/R stereo

outputs of the desired stereo audio equiment (CD players, VCRs,

televisions, juke boxes, etc.).

3. Connect microphone(s) to the MIC INPUTS on the SCM262.

4. For microphones which require phantom power, such as con-

denser microphones, place DIP switch 7 in the down position

(phantom power on).

5. Connect the L/R outputs of the SCM262 to the L/R inputs of the

amplifier.

NOTE: If you are using a consumer stereo amplifier, use the

AUX OUTs. If you are using a professional audio power

amplifier, use the LINE OUTs. The MIC/LINE and AUX

OUTPUTs can be used simultaneously to feed two separate

amplifiers.

6. Apply power to the mixer by connecting the supplied power cable

between the power connector on the mixer and the appropriate

AC power supply. The green POWER LED will illuminate to indi-

cate that the mixer is powered on.

NOTE: The SCM262 has no power switch. It is designed to

be plugged into a power strip which supports the whole sound

system. A typical power strip will have a power switch, so that

when the power strip is powered on, the SCM262 is powered

on.

Paging with Ducking Application

With Ducking on, the SCM262 will automatically sense when someone

is talking into one of the microphones and lower the volume of the music

so the talker can be heard more clearly. Once the talker is finished, the

music resumes.

NOTE: Use a microphone with an ON/OFF or pushbutton

switch for the Paging with Ducking Application. A microphone

without a switch will false-trigger, causing unwanted

interruptions in the program material.

Connect the SCM262 to the sound system as described in

Gen-

eral Application.

2. Set DIP switch 3 or 4 to the down position to activate ducking for

microphone channel 1 or 2, respectively.

Set DIP switch 5 position. The

Down position sets the ducking so

that the program sound is lowered 20 dB when someone uses a

microphone. The Up position sets the ducking so that the pro-

gram sound is muted when someone uses a microphone.

Jukebox Mute Application

In this application, designed primarily for Jukeboxes, any sound

source connected to the STEREO 3 channels will automatically mute any

sound coming over the STEREO 1 and 2 channels. This way, a CD play-

er can be playing music, and then when someone plays a song on the

Jukebox, the SCM262 will automatically mute the CD player channels

and switch to the Jukebox. STEREO 1 and 2 channels will remain muted

for about 30 seconds after program material is finished, to allow the juke-

box time to move on to the next song.

Connect the SCM262 to the sound system as described in

Gen-

eral Application.

2. Connect the L/R audio outputs of the jukebox to the L/R inputs of

STEREO 3.

NOTE: This feature is designed especially for use with

jukeboxes, but will work for any equipment connected to

STEREO 3.

3. Set DIP Switch 6 to the down position (Jukebox Mute on).

NOTE: If the ducking application is used in conjunction with the

Jukebox Mute application, then activated microphones will

mute or duck the STEREO 3 input.

DIP

SWITCH

FUNCTION POSITION

UP (default) DOWN

1 LEFT OUTPUT MIC/LINE Line Mic

2 RIGHT OUTPUT MIC/LINE Line Mic

3 MIC 1 DUCKING Off On

4 MIC 2 DUCKING Off On

5 DUCKING LEVEL

–∞

–20 dB

6 STEREO 3 JUKEBOX MUTE Off On

7 12 V PHANTOM Off On

LINE

OFF

-∞

MIC

LOUTPUT

ROUTPUT

MIC 1 DUCKING

MIC 2 DUCKING

DUCKING LEVEL (dB)

ST. 3 JUKEBOX MUTE

12 V PHANTOM

DOWN

1 2 3 4 5 6 7 8 9 10 11 12

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Shure SCM262 Manuel d'utilisateur Page 6

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