SETTING
SWITCH SET
SWITCH SET
INPUT 1
INPUT 2
INPUT 3
CHIME
VOX
TERMINALS
ON
OFF
MIC/TEL
MIC/PRGM
AUX/CD
(Note 1)
RELAY
MUTE - G
-
ALL Vox/Mute
SIGNAL ON
Not Effected
MUTED
ON
ON
MUTE - G
INPUT 2 MUTE
INPUT 1 VOX
SIGNAL ON
MUTED
MUTED
ON
ON
INPUT 2 VOX
VOX Activated
INPUT 1 VOX
INPUT 2 VOX
SIGNAL ON
Not Effected
MUTED
OFF
ON
By Input Signal
INPUT 2 MUTE
VOX Activated
INPUT 1 VOX
INPUT 2 MUTE
SIGNAL ON
SIGNAL ON
MUTED
OFF
ON
By Input Signal
INPUT VOX 2
VOX Activated
INPUT 1 VOX
INPUT 2 VOX
SIGNAL ON
MUTED
MUTED
OFF
ON
By Input Signal
INPUT 2 MUTE
When the INPUT 1&2 VOX and INPUT 2 MUTE SWITCHES are set ON = INPUT 1 will have Priority over INPUT 2.
When activated, INPUT 2 will MUTE INPUT 3 and INPUT 1 will MUTE both INPUT 2 and 3.
PROFESSIONAL AUDIO & SOUND
®
TM
DIGITAL MUSIC SERIES
DIGITAL MUSIC AMPLIFIERS
INSTALLATION AND WIRING
PAGE 11
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
T3015/3030DMA
MUTING FUNCTIONS
DIRECT MUTING - Program (Music) Muting may be accomplished
by shorting the MUTE and the G Terminals through an external
switch (see Diagram in Fig. 11). Each time the Muting Switch is
closed the source from INPUT 2 and INPUT 3 may be selectively
muted in accordance to the MUTING SWITCHES setting (See
Muting Switches Address).
THE MUTING (VOX/MUTE) SWITCHES ARE PRESET AT THE
FACTORY AS PER TABLE BELOW:
SWITCH
FUNCTION
POSITION SET
VOX
INPUT 1
ON
VOX
INPUT 2
ON
MUTE
INPUT 2
ON
If the Switches require resetting follow the instruction below.
Fig. 11 - Direct Muting Terminals and Diagram
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 INSTALLATION OR SERVICING UNLESS YOU
ARE QUALIFIED TO DO SO. REFER INSTALLATION OR SERVICING TO QUALIFIED PERSONNEL.
CAUTION !
REMOVAL OF THE AMPLIFIER COVER PRESENTS AN ELECTRICAL SHOCK HAZARD
ALWAYS REMOVE THE POWER CORD FROM THE AC WALL OUTLET
DIRECT MUTING
WIRING
3015Bmicbase
Connect Desk Base or Gooseneck Microphone
as per diagram below. Connect Muting Switch
to MUTE and G Terminals. If using VOX system
the muting switch is unnecessary.
SHIELD
MIC
Lo Z
B
DESK BASE/GOOSENECK MICROPHONE WITH MUTING SWITCH
A
INPUT 1 - Switch Setting
INPUT 2
INPUT 1
RVC
MIC/PROG
MIC/TEL
REM
BALANCED
VOLUME
BALANCED
MUTE
MUTE
REMOTE
VOL
HOT
G
COM
COM
G
HOT
I
N
P
U
T
1
TEL
Prog
CD
Off
Off
Off
MIC
MIC
I
N
P
U
T
2
I
N
P
U
T
3
I
N
P
U
T
1
I
N
P
U
T
2
I
N
P
U
T
2
Z
O
N
E
1
Z
O
N
E
2
E
Q
L
I
N
K
Off
Vox
On
Mute
On
Vox
On
Aux
INPUT
3
INPUT
2
On
MUTING SWITCH
Signal
Level
Mute
terminals
shorted
Program
gradually
restored
2-3
sec.
Program
Attenuation
50 db
Mute terminals
opened
time
mutfunct
Fig. 11B - Muting Function Timing Diagram
MUTING TIMING - The Muting Attenuation is preadjusted for -50
db. When the Muting is activated the Music Source is instanta-
neously turned-off. When the Muting is deactivated the program
(music) is gradually restored (2-3 seconds). See Fig. 11B
MUTING - VOX - SWITCH SETTINGS CHART
NOTE 1: The optional Chime Card AC1/DMS must be installed for
the Chime to be active. The Chime is activated only by the MUTE
and G Contact Closure (see chart below).