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11-4.
AUDIO
LEVEL
METER
ADJUSTMENT
machine
conditions
for
adjustment
spec.
adjustment
* AUDIO
IN
connector:
1kHz,
— 60dBm
*EE
mode
AUDIO
LEVEL
meter
A=0+ 0.5dB
CH-1: @ RV12/AU-83(E-6)
CH-2: @ RV12/AU-84(E-1)
11-5.
LIMITER
LEVEL
ADJUSTMENT
machine
conditions
for
adjustment
spec.
adjustment
¢ Extend
the AU-83
Board
and
the
AU-84
Board
by
using
the
EX-127
Extension
Board.
* AUDIO
IN
connector:
1kHz,
— 30dBm
*EE
mode
* LIMITER
sw:
ON
AUDIO
OUT
connector
(terminated
by
6000)
+ 7+ 0.5dBm
(CH-1
level = CH-2
level)
CH-1: @ RV7/AU-83(D-1)
CH-2: @ RV7/AU-84(D-5)
11-6.
PB
FREQUENCY
RESPONSE
ADJUSTMENT
machine
conditions
for
adjustment
spec.
adjustment
¢ Extend
the AU-83
Board
and
the
AU-84
Board
by
using
the
EX-127
Extension
Board.
«Play back the audio
1kHz,
7kHz,
and
15kHz
segments
of
align-
ment
tape.
AUDIO
OUT
connector
(terminated
by
6000)
1kHz
Level = Ref,
Level
7kHz
Level = (Ref,
Level)+ 0.2dB
15kHz
Level = (Ref,
Level)+ 0.7dB
Repeat
the
sequence
of
checks
and
adjustment
at
1 kHz,
7kHz
and
15kHz
until
specifications
are
satisfied
at
a
same _ time.
7kHz
CH-1:
CH-2:
15kHz
CH-1:
CH-2:
CH-1:
CH-2:
@ RV4/AU-83(G-3)
@ RV4/AU-84(A-4)
@ RV3/AU-83(G-2)
@ RV3/AU-84(A-4)
@ RV5/AU-83(G-6)
@ RV5/AU-84(B-1)
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