Protech Audio 51003 - Manual (Page 5)

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SPECIAL FEATURE SECTION
FEATURE SETUP
PRIORITY INPUT ON CHANNEL 1
AUXILLARY INPUT
The auxillary input is wired thru the rear barrier terminal, and is normalled thru the front panel phone jack.
Plugging a phone plug into the front panel jack disconnects the rear terminal auxillary input. It also allows
audio on the phone plug to enter the mix buss thru the front panel AUX pot.
Wiring for the front panel jack is as follows;
TO AUX LEVEL CONTROL
FROM REAR BARRIER INPUT
The priority feature on channel 1 disconnects all other inputs from the summing buss, with the exception of
the summing buss link on the rear barrier. The priority feature may be used in one of two modes;
Automatic = any audio applied to the #1 input will automatically activate the priority feature,
Manual = a closure applied to the rear barrier terminal will activate the feature.
To use the automatic function, loosen the two thumbscrews and remove the electronic section from the
chassis.
Slide thepriority switch (see pc layout drawing) to the ON position.
Slide electronic section back into chassis, making sure pc board is seated properly in mating connectors, and
tighten thumbscrews.
To use the manual mode, apply a closure to the rear barrier terminal as shown below.
LO HI SH LO HI
A B
OUTPUTS
HI ARM LO
RMT SUM AFX MUTE AUX
IN
OUT SH IN OUT
SW IN
HI SH
REMOTE
CLOSURE
OUTPUT
TRANSFORMERS
MIC / LINE SWITCHES INPUT
SELECT
SWITCHES
RMT LOC
EQ
LIM
LIMITER ADJUST
PRIORITY
OFF
GND
ON
ON
IN
D
C
B
A
AUX
JACK
POWER ON/OFF
LED
INPUT LEVEL CONTROLS
1
2
3
4
5
6
7
BASS
TREBLE
B
A
MASTER
OSC
TRIM
METER
A/B
METER
ON OFF
MIC LINE
MIC
MIC
MIC
MIC
MIC
LINE
LINE
LINE
LINE
LINE
OFF ON OFF ON
35dB 57dB 50dB 60dB
B C Gain
OFF OFF ON ON
MIC
LEVEL
OFF ON OFF ON
0dB 20dB 15dB 25dB
B C Gain
OFF OFF ON ON
LINE
LEVEL
B = GAIN SELECT D
=
BYPASS,
L/F
ROLL
OFF
C = GAIN SELECT A
=
PHANTOM
POWER
DIP SWITCH LEGEND:
#1
#2
#3
#4
#6
#5
#7
#9
#8
ON
GND
LIFT
OUT
OFF
DIST. ADJUST