Sony DVS-7300 System User Manual page 436

5
Press F4 (FIELD) to select the GPI trigger output timing.
Pressing this button cycles through the settings: ANY (arbitrary timing),
F1 (first field), and F2 (second field).
6
Press F9 (ACTION SELECT) or turn control knob 3 to align the cursor
with the desired action causing the GPI output.
7
Press F7 (SELECT) to confirm the selection of the action causing the
GPI output.
8
Repeat steps 2 to 7 to make the settings for the other output ports.
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Chapter 13 Setup