Sony DVS-7250, Операционное программное обеспечение

Страница: 451 / 542

Chapter 14 Setup
14-43
Carrying out setup relating to GPI inputs (GPI INPUT menu)
You can use the GPI INPUT menu for the following settings relating to GPI
inputs.
• Selecting the trigger polarity: Select the trigger polarity from the
following five kinds.
: Trigger on the rising edge of an input pulse.
: Trigger on the falling edge of an input pulse.
: Trigger when the input changes polarity.
NOP: No triggering by input pulse.
LEVEL: When the input level turns low, the setting of the item selected
from the aspect ratio (4:3/16:9), signal format (D1/D2), and the
number of scanning lines (525/625) toggles and the setting is
maintained as long as the input level remains low.
Toggling of settings with trigger polarity set to LEVEL
Note
Changing the signal format or the number of scanning lines using a
GPI input resets the entire system.
• Selecting the trigger action: Select the action triggered by the GPI input.
When the trigger polarity is set to LEVEL, you cannot select any action
other than toggling of the aspect ratio, signal format, or number of
scanning lines as described above.
When the trigger polarity is set to other than LEVEL, select the required
action from the following.
CUT, AUTO TRANS (auto transition), KEY 1 CUT, KEY 2 CUT, KEY
1 MIX, KEY 2 MIX, FREEZE, CLEAR, FTB (fade-to-black), SS
RECALL (recall snapshot), EFF RECALL (recall effect),
RECALL&RUN (recall and run effect), KF RUN (run key frame), KF
STOP (stop key frame), KF REWIND (rewind key frame)
Item No input or input level high Input level low
Aspect ratio 4:3 16:9
Signal format D1 component D2 composite
Number of
scanning lines 525 625