Preparations:
Specification: 40 dB (minimum)
Numbers in parentheses correspond to steps in Fig. 6-23.
Connection
Switch Setting.
BIAS
EQ
LIMITER
DOLBY NR
1
OUT
OUT
6.
(3)
Side 1
(4)
Side 2
i
T-466
Fig. 6-23
Adjacent rack Crosstalk Measurement Procedure
32
4.
5.
6-4-11. ADJACEN
RACK CROSS ALK
MEASUREMEN
3.
Connection:
7.
8.
NOTE
The tape must be completely erased prior to this pro
cedure. Preferably use bulk erased tape.
LINE:
MIC:
Control Setting:
OUTPUT: Specified Setting (See 6-2-2)
Specified Setting (See 6-3-2)
Minimum Setting
Load a TEAC MTT-5O5B test tape.
Apply a 100 z test signal at — 9 dB (274 mV).
Place the deck in the record mode for about 30
seconds .......................................................................... (1)
Rewind the tape to the starting point of recording. (2)
Play tire tape and measure the output level of the
recorded portion. Note this reading for temporary ref
erence level for the following measurements ........... (3)
Remove the test tape, turn it over and replace it in the
deck ............................................................................... (4)
Play the tape back and read the output level .......... (5)
Get the differences between this reading and the
reading previously measured for the 100 z signal.
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