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6.
e from COMP output (AIJl) to
CH.I
Using a probe, display 38
located at
~
CR 6 or 8
on CH.2 of your
scope on CH.
L
your
re wave
scope.
Trigger
7.
Adjust A5C27
un
1 38 KHz signal locks to
19
KHz input.
CH.2
on scope will
exactly double
frequency of CH.1.
8.
input 1
to
4%.
Adjust A5RI08 until
PILOT lamp
A50S3
just lights at this pOint.
9.
Connect your
Remove audio
from COMP
IN
(AIJ13).
rator
to COMP
IN
(AIJ13).
Adj
pilot level reads 10%.
CaMP LEVEL (AIR4)
until
10.
Phase
the monitor (
on
3-4 (7)).
11.
Modul
400 Hz
1 i ghts
left channel only of the s
Adjust this tone until
generator with a
PEAK lamp
just
100%.
NOTE:
Due to the
complex
waveshape of a stereo signal, the
TOTAL MOO meter
) will not read 100%.
With a
left or ri
only signal,
the-TOTAL
MOO meter will
read
96%.
12.
t
monitor
r stereo s
(l)
and
(2)).
ion measurements (Section 3-4
14.
Adjust LEFT
fil
90%.
control
(AIRS)
until
CH.A
meter
(AIM2A)
a signal in the right channel of the stereo
40 dB below the signal in
1
channel.
15. Adjust A5R67 until CH.B meter reads 40
tor
16.
Repeat s
11 through 15 with a
11 amplitude signal in the
right
channel
of
the
s
generator.
Adjust
RIGHT
1
control (AlR7) in s
. Adjust A5R
in step 15.
17.
Modula
stereo generators LEFT and RIGHT channels with
400 Hz in phase.
This will produce a L + R signal.
Set up scope display for VECTOR operation (
on
3-1 (9)).
19.
Adjust A5RIOI for a straight
cal line on your scope.
20.
Change the
Th1 s wi 11
of one of the input of the s
an
L - R
signal.
21.
A5R103 for a straight horizon 1 line on
generator.
scope.
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