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1 | NORMAL BYPASS |
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2
04 | Dolby Stereo | |
|
3
JIFFY
TEST FILM
CN
RECORDED IN
Running time: 8 minutes.
Picture format: 1.85:1 widescreen or 2.35:1 anamorphic.
Sound format: 04
stereo optical with surround
Dolby Laboratories, 100 Potrero Avenue,
San Francisco, CA
Telephone
listen…
4 | CN |
| |
| RECORDED IN |
NORMAL BYPASS
Running time: 8 minutes.
Picture format: 2.35:1 anamorphic.
Sound format: 04
stereo optical with surround
Dolby Laboratories, 100 Potrero Avenue,
San Francisco, CA
Telephone
j. Final Checks
Notes
Verify that the NORMAL/BYPASS switch is in the NORMAL position.
Press the format 04 Dolby Stereo A-type switch.
Thread and play the Dolby Cat. No. 251 “Jiffy” test film, if available, for a quick check of the system alignment. This film contains a series of tests, each of which is described by a male or female voice and is supplemented by captions on the screen to help identify the causes of sound problems. Visual checks are also included to assist in identifying some picture projection problems.
Remove the “Jiffy” film, return to NORMAL
Play the Dolby Cat. No. 351 “listen . . .” film on the newly aligned system. The film consists of a wide variety of short scenes — both live action and animated. Each scene was selected to demonstrate different aspects of stereo sound. Evaluate the quality of the sound. If problems occur, contact the technical staff at Dolby Laboratories.