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FILM TYPE
35MM 16 FR/FT
35MM 3 PERF
16MM 20 FR/KEY
16MM 40 FR/FT
OPTIONAL SOFTWARE
1
0
20
19
18
17
1
0
20
19
18
17
0
21
20
19
18
17
Figure 4-1: 3 Perf Film Numbering
4.2.3. Setting Up The 4025 To Operate In 3 Perf Mode
A new menu item has been added to the FILM TYPE menu item.
Select 35MM 3 PERF to enable 3 perf operation of the 4025. Select 35MM
16 FR/FT for 4 perf operation.
In 3 perf mode there is additional information regarding whether a frame
belongs to foot 1, foot 2, foot 3 that should be encoded into the VITC. In
order to accomplish this you must set the GEN ASSIGN to 3 LINE VITC
STD. If you use one of the two line modes the information about whether a
frame belongs to foot 1, foot 2 or foot 3 is not encoded in the VITC.
4.2.4. 3 Perf Indicators
The KeyKode VCG window and the front panel KeyKode display have a
special indicator between the prefix and the footage that indicates which
foot of the 3 foot sequence the KeyKode number belongs to. This is
important because two feet have 21 frames and the third foot has 22
frames. On the VCG, the indicator is a horizontal bar which is at the top for
the first foot, in the centre for the second foot and at the bottom for the third
(long) foot. On the front panel the indicator is an
horizontal bar in the center for the second foot and a horizontal bar at the
bottom for the third (long). The example below shows the three indicators
for both the VCG and front panel displays.
Model 4025 Film Footage Encoder Manual
16
15
14
13
12
11
10
9
FOOT TYPE 1
16
15
14
13
12
11
10
9
FOOT TYPE 2
16
15
14
13
12
11
10
9
FOOT TYPE 3
8
7
6
5
4
3
2
1
8
7
6
4
3
2
1
5
8
7
6
5
4
3
2
1
for the first foot, a
$
Page 4-5
0
20
0
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