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INSTALLATION
The partial frame offset value may be changing by one or two counts.
Press the numeric
the average partial frame offset is as close as possible to the values shown
in the chart above.
2.12.6. Verifying the accuracy of the KeyKode Numbering
When you have completed the KeyKode reader connections and have
performed the head offset learning, you will need to verify the frame
accuracy of the KeyKode reader in the system.
The following simple procedure will help you establish that the KeyKode
reader is properly installed, and that it the Head offset has been learned
correctly.
The 4025 maintains separate head offsets for 16 and 35 mm film and for each
film transfer rate. Make sure that you check each combination to ensure that
your system is fully configured.
1. Make note of the key number on a piece of reference film. This
number is usually the Key number of the frame where a
reference KeyKode dot is located (i.e. on the whole foot mark.).
Mark this reference frame with a punch or grease pencil.
2. Place this film on the telecine, with the reference frame in the
gate.
3. Using the On Screen programming menu set the 4025 to the
following settings:
•
•
•
•
•
•
4. Turn on the 4025's character windows for Generator time and
Edge code ( KeyKode) as described in section 3.12.1.
5. Set the footage + frames in the KKode register to 0000+00 as
described in section 3.10.2.
6. Set the time of the VITC generator to 01:00:00:00 as described
in section 3.9.3.
7. Back up the telecine and transfer a short piece of film (which
includes the reference frame) to video tape. When the telecine
achieves locked PLAY speed, the telecine FRAME and LOCK
Model 4025 Film Footage Encoder Manual
&
keys to adjust the head offset manually so that
GEN MODE to CINE EDGE (See section 3.3.1)
DROP FRAME to NON DROP FRAME (See section 3.3.3)
KK JAM to ALWAYS (See section 3.4.1)
KEYINFO to CHECK (See section 3.4.2)
FILM TYPE to Match the film stock you have placed on the
telecine (See section 3.4.3)
FILM RATE to match your telecine transfer rate (See
section 3.4.4)
Page 2-33
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