Stereo Line Input Module - Pacific Research BMX-III-18 Operation And Technical Manual

Broadcast console
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3.3 STEREO LINE INPUT MODULE

L E F T
A
G A I N
T R I M
B
R I G H T
I N P U T
P G M
AU D
U T L
OUTPUT
I N
L
R
PAN
S U M
R I G H T
L E F T
S T E R E O
I N P U T
M O D E
0
5
1 0
1 5
2 0
3 0
4 0
5 0
6 0
7 0
CUE
SOLO
ON
OFF
PACIFIC RESEARCH & ENGINEERING
The INPUT buttons select between stereo sources connected to the A and B
inputs of the module.
The recessed GAIN TRIM controls adjust the gain of the LEFT and RIGHT
input buffers. These affect both inputs equally.
The OUTPUT buttons assign the module to any combination of the
PROGRAM, AUDITION and UTILITY output buses.
The PAN control with INsert button may be used to adjust the left-right
balance of a stereo signal, or to position a monaural or sum mode signal
within the stereo sound field.
The INPUT MODE selector determines the module mode as follows:
STEREO
LEFT
RIGHT
SUM
The mixing fader is a stepless, infinite resolution control with a reference line
at the -15 dB point. The reference is the nominal position for a properly
adjusted input level to achieve "0" VU on the console output meters.
The alternate-action CUE button routes pre-fader audio to the console Cue
monitoring and metering systems. The button lamp flashes to indicate its ON
status. For a steady lamp indication, available with the installation of an
optional jumper wire, see Section 5.4.
The alternate-action SOLO button routes the input signal (after the fader and
pan controls) to the console SOLO monitoring and metering systems. The
SOLO button lights to indicate its ON status.
The ON button turns the module on and initiates machine start control, timer
reset or muting commands, as set during installation.
The OFF button turns the module off and initiates machine stop control
commands as set during installation. The OFF lamp may be set to act as a
machine ready status indicator, see Section 2.9.2.
Discrete stereo channels.
Left input is routed to both output channels.
Right input is routed to both output channels.
Left and right inputs are summed to both output channels.
53
BMX SERIES III CONSOLE
REVISION C

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