About The Trigger Signals - Panasonic AG-CPD20P Operating Instructions Manual

About the Trigger Signals

Trigger signals (GPI1 - 16), which are used for recording
control and Color Camera control, consist of edge and level
signals.
Edge signals
High-edge, low-edge and both-edge of an edge signal can
be specified. Control specified by Action starts when a
change in an edge of the specified signal is detected.
High-edge
High
Low
For example, when a high-edge of "AUTOZOOM"
is specified
(see "Trigger1 to 16" on page 86):
Start of AUTOZOOM
High
Low
Both-edge
Low-edge
(Time)
(Time)
Level signals
The high-level and low-level of a level signal can be
specified and control specified by Action (recording control)
occurs when a change is detected in the specified signal.
When high-level is specified:
A change in the signal from low to high starts recording
and a change from high to low stops it.
Recording starts
High
Low
When low-level is specified:
A change in the signal from high to low starts recording
and a change from low to high stops it.
Recording starts
High
Low
17
Recording
stops
(Time)
Recording stops
(Time)