El Paso Chile Company OM163, DMS 3120-120 manual Muting Priority Settings, Muting Switch, Shield

®

PROFESSIONAL AUDIO & SOUND

DIGITAL MUSIC AMPLIFIERS DIGITAL MUSIC SERIES

TM

INSTALLATION AND WIRING

INPUT 1 - USING A DESK BASE MICROPHONE

USING A PUSH-TO-TALK DESK BASE MICROPHONE Microphone paging and precedence over AUX 1 or AUX 2 channels may be accomplished by using a Desk Base or a Gooseneck Microphone. Wire the Microphone output leads to the MIC input ter- minals as per Fig. 11A.

CAUTION: TO PREVENT POSSIBLE DAMAGE TO SPEAKERS

OR THE AMPLIFIER ALL INPUT CONNECTIONS MUST BE

MADE WITH THE AMPLIFIER POWER OFF.

WIRING

MUTING: The Amplifier is equipped with two independent Muting Circuits:

zDirect Muting by shorting the MUTE Terminals

zAutomatic Muting with VOX - Voice Activated Muting

For additional information on the Muting operation refer to the Muting Functions section of this Manual.

Push to Talk Key

b50side

Fig. 11 - Desk Base Microphone

Wire the Desk Base Microphone leads to the Microphone Input terminal strip as per diagram in Fig 11A. Check Microphone instructions and connect HOT LEAD (B) to Terminal HOT, COMMON LEAD (A) to Terminal COM and SHIELD LEAD to Terminal G. Connect Muting Switch to Terminals MUTE 1 or MUTE 2 and G as shown.

DO NOT GROUND THE MICROPHONE CABLE SHIELD TO THE CHASSIS OF THE AMPLIFIER

MUTING - PRIORITY SETTINGS

Direct Muting is provided by the Desk Base Muting Switch wired as per diagram in Fig. 11A. If Auto-Mute (VOX) is desired follow instruc- tions below. The Desk Base Muting Switch can be omitted.

MUTING INPUT 4/AUX 1 (MUSIC INPUT)

To mute Input 4/AUX 1 (Music Input) when Paging from MIC 1, set INPUT 4/AUX 1 MUTE 1 JUMPER to ON Position. Each time MIC 1 is activated the Program on Input 4/AUX 1 is automatically muted by the VOX.

DESK BASE/GOOSENECK MICROPHONE WITH MUTING SWITCH

VOX - MUTE JUMPERS SETTING
			SW215	VOX 1 BUSS
V1		OFF		ACTIVATED
			JUMPER
VOX SEND				X
V2
				VOX 2 BUSS OFF
					GROUND	MUTE2	MUTE1
								VOLUME
								MASTER
			= JUMPER					REMOTE
MIC IN	AUDIO OUT				G	M2	M1	RVC RVC
Push to Talk Key
INPUT 1
			SW220
M1		OFF	JUMPER	MUTE 1 BUSS OFF				INPUT 1 (MIC)
		X						G COM HOT
MUTE RECEIVE
M2		X
				MUTE 2 BUSS OFF
Connect Desk Base or Gooseneck				MUTING SWITCH
Microphone as per diagram below.						SHIELD
Connect Muting Switch to MUTE 1
or MUTE 2 and G Terminals.								A
If using the VOX system the
			MIC					B
muting switch is unnecessary.
			Lo Z

INPUT 1 - Default Jumper Settings The Diagram at Left shows the Default Settings for INPUT 1.

VOX 1 is SWITCHED ON

VOX 2 is SWITCHED OFF

MUTE 1 is SWITCHED OFF

MUTE 2 is SWITCHED OFF

When the INPUT 1 (MIC 1) is activated the VOX 1 BUSS is ON and it will MUTE any Input with the MUTE 1 Setting SWITCHED ON.

250ohm 1.5mV

BALANCED	INPUT 3	(MIC)
INPUT 2 (MIC)
G COM HOT	G COM	HOT

NOTE: To change the INPUT Default Settings refer to the appropriate section in this Manual

3120 Micbase 01

Fig. 11A - Input 1 and Muting Terminals

DMS3040/3080/3120 SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE PAGE 11