®
PROFESSIONAL AUDIO & SOUND
DIGITAL MUSIC AMPLIFIERS 
DIGITAL
MUSIC SERIES
TM
INSTALLATION AND WIRING
CAUTION ! REMOVAL OF THE AMPLIFIER COVER PRESENTS AN ELECTRICAL SHOCK HAZARD
ALWAYS REMOVE THE POWER CORD FROM THE AC WALL OUTLET
THE FOLLOWING INSTRUCTIONS REQUIRE THE REMOVAL OF THE AMPLIFIER PROTECTIVE COVER AND ARE PROVIDED FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID THE RISK OF ELECTRICAL SHOCK DO NOT PERFORM ANY INSTALLA- TION OR SERVICING UNLESS YOU ARE QUALIFIED TO DO SO.
INPUT 1 (MIC 1) UNMUTING FUNCTION |
| WIRING |
|
|
|
DIRECT UNMUTING | MICROPHONE WITH UNMUTING ZONE SWITCH | |||||||||
INPUT 1 (MIC 1) UNMUTING FUNCTION | 9 |
|
|
|
| Connect | Paging Microphone | |||
The Input 1 (MIC 1) can be preset to be normally MUTED (INPUT |
|
|
|
| as | per | diagram | below | ||
OFF) when the JUMPER SW205 - MIC 1 UNMUTE - IS SET TO |
|
|
|
|
| (reference 30). Connect Zone | ||||
|
|
|
|
| Unmuting Switch to UNMUTE | |||||
THE ON POSITION. The MIC 1 is |
|
|
|
|
| |||||
|
|
|
|
| (reference 9) and G Terminals. | |||||
UNMUTE and G Terminals are shorted by a Switch Contact |
|
|
|
|
| |||||
UNMUTE | GROUND | MUTE2 | MUTE1 | MASTER | The VOX (if ON) feature will | |||||
Closure. This function allows for a multi zone installation using two | ||||||||||
VOLUME | automatically mute the Music | |||||||||
|
|
|
| REMOTE | ||||||
or more Amplifiers and a single Microphone and Zone Switches. | MIC1 | G | M2 | M1 | RVC RVC |
|
|
|
| |
When the Jumper SW205 is set to the ON Position the Microphone |
|
| 30 |
| ||||||
|
|
|
|
|
|
|
| |||
Input is OFF and it is turned ON when the UNMUTE and the G ter- |
|
|
|
|
|
|
|
|
| |
minals are closed by a switch. |
|
|
|
|
|
|
| 250ohm 1.5mV | ||
|
|
|
|
|
|
|
| BALANCED | ||
JUMPER NO. | FUNCTION | POSITION SET | INPUT 1 (MIC) | INPUT 2 (MIC) | |||||||
SW205 | MIC 1 Muted | ON |
|
|
|
| G COM HOT |
| G COM HOT | ||
|
|
|
|
|
|
| |||||
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
If the Jumper requires resetting follow the instruction below.
|
| ZONE UNMUTING SWITCH |
|
|
| |
ACCESS TO UNMUTING JUMPER | MIC |
|
| A = Common | ||
1) | Remove Power Cord from AC Outlet. | SHIELD | A | |||
Lo Z | B = Hot | |||||
2) | Remove the three screws on each side of the Amplifier |
|
|
| ||
|
|
| B | |||
| securing the Top Cover to the Chassis. |
|
|
| ||
|
|
|
| 3120 Unmute 01 | ||
3) | Lift Cover and carefully and slide Cover out towards the rear. |
|
|
| ||
|
|
|
| |||
4) On the Main Amplifier Printed Board locate the SW205 - | Fig. 18 - Microphone and Zone Unmuting Diagram |
MIC 1 UNMUTE Jumper Set. |
|
5)Set Jumper to the ON position.
|
| 2 - ZONE |
| PAGING SELECTORS | |
UNMUTE - VOX AND MUTE JUMPER | 1 | 2 |
SETTINGS ON AMPLIFIERS 1 & 2 | ||
INPUT 1 |
|
|
|
| INPUT 4 |
|
|
|
|
MIC 1 |
|
| MIC 1 |
| AUX 1 | ON1MUTE | SPST ZONE |
|
|
OFF | ON1VOX |
| UNMUTE |
| OFF | ZONE 1 | ZONE 2 | ||
On |
|
| SWITCHES | ||||||
|
|
|
| ||||||
V1 JUMPER |
| JUMPER | OFF | M1 JUMPER |
| ||||
|
|
|
|
| |||||
|
|
|
|
|
|
|
| ||
V2 |
|
| SW205 |
| M2 |
|
|
|
|
SW215 |
|
|
|
| SW217 |
|
|
|
|
TO AMP 1
3120 Unmute Jump Set
TO AMP 2
Fig. 18A - 2 - Zone System Jumper Settings
The Fig. at right shows a typical 2 Zone Switching | TO MIC INPUT |
|
|
| |||
|
|
| |||||
|
|
|
|
|
| ||
Panel. Use SPST Momentary Contact Switches. See |
|
|
| PAGING MICROPHONE | |||
|
|
| |||||
3120 2 Zone Diagram 01 | |||||||
complete 2 - Zone Wiring Diagram provided in this | |||||||
|
|
|
|
|
| ||
Manual. |
|
|
|
|
|
| |
|
| Fig. 18B - 2 - Zone Switching Panel | |||||
|
|
| |||||
PAGE 18 | SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE | DMS3040/3080/3120 |
