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2-18
INSTALLATION
To calibrate the 464A's output level and
program material:
Set both channels of the 464A controls as follows:
A)
METER CAL
HF LIMIT PRE-EMPHASIS
OUTPUT ATTEN
INPUT ATTEN
GATE THRESH
RELEASE TIME
REL SHAPE
LEVEL
COMPR
HF LIMIT
SYSTEM
POWER
MODE
B)
Play program material from your studio.
Adjust the
C)
METER CAL
464A's
PEAK OUTPUT LEVEL
D)
Adjust the
OUTPUT ATTEN
gram peaks, as shown on its modulation indicator.
4. Set 464A's controls for normal operation with program material.
Set both channels of the 464A controls as follows:
A)
METER CAL
HF LIMIT PRE-EMPHASIS
OUTPUT ATTEN
GATE THRESH
RELEASE TIME
REL SHAPE
LEVEL
COMPR
HF LIMIT
SYSTEM
POWER
MODE
B)
Feed the 464A either with tone at your system reference/line-up level, or with
typical program material at normal levels.
Adjust the
and
C)
L
tion — we recommend 5-10dB.
D)
Switch the
MODE
0
set to pre-emphasis of your STL;
if no pre-emphasis, set to 25µs
0
10
0
0
SOFT
OFF
OFF
OPERATE
OPERATE
ON
DUAL
controls on the 464A so that the 0dB segment on the
meter just illuminates on program peaks.
controls to drive the STL to 100% modulation on pro-
Do not change
Do not change
Do not change
5
5
SOFT
ON
OFF
OPERATE
OPERATE
ON
DUAL
controls for the desired amount of gain reduc-
R INPUT ATTEN
switch to
STEREO
.
PEAK OUTPUT LEVEL
ORBAN Model 6200
meters using
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