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OPERATION
blink and a warning message will be displayed on the front
panel.
Select PAL to manually select operation with PAL reference
video. If NTSC video is applied, the PAL GEN LCK LED will
blink and a warning message will be displayed on the front
panel.
3.5.4
Programming the Head Offset for the KeyKode Reader
The KeyKode Head Offset item on the CONFIG menu is only accessible
when the Engineering mode switch (DIP switch #8 on the right hand circuit
card inside the 4025) is in the On (Closed) position.
KK HEAD OFFSET
offset registers. This item allows the 4025 to compensate for
the distance between the KeyKode reader head and the film
gate of the telecine.
maintained for each film type and film rate. Press the SELECT
key to view a summary of the head offset values. To calibrate
the head offsets see section 2.12.4.
3.5.5
Compensating for Video path Delays between the telecine and
the 4025
VIDEO DELAY
4025 input video out of sync with the bi-phase and Frame pulse
inputs.
Delay compensations affect the VITC, LTC and
Character Generator outputs. These delays can occur through
the use of devices such as noise reducers and encoders. The
value may be changed by pressing
fields turns off the video delay compensation.
generally capable of ignoring small cumulative delays on the
order of several video lines.
3.5.6
Setting up the White Flag Generator
WHITE FLAG Is used to enable or disable the White flag generator. When
film material is transferred to video disc, the relationship of the
video frames and picture frames is very important. If the video
disc's frames do not correspond exactly to the picture content
(i.e., film frames) then some pictures will flicker when viewed in
still. With WHITE FLAG ON, a white level pulse is inserted in
the first video field of each new picture.
transferred to disc, this pulse is used by the disc recorder to
match the disc frames to the 2/3 pulldown automatically. Still
playback of all pictures on the disk is jitter-free.
WHITE FLAG OFF to disable the white flag generator.
WHITE FLAG LINES Is used to set the lines that the White Flag will be
recorded on. Use the
line. Use the
normal location of the white flag is on the 1st field of each new
Model 4025 Film Footage Encoder Manual
Is used to view / calibrate the 4025's mechanical
There are separate head offsets
Is used to adjust for whole field delays which put the
&
keys to select the Start or Ending
&
keys to select the line number. The
&
keys. Selecting 00
The 4025 is
As material is
Select
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