Photron Fastcam SA5, Hardware Manual, Page: 41 / 107

29 FASTCAM SA5 / SA5 RV Hardware Manual
3.5. Selecting the Trigger Mode
With the system, in order to reliably capture high-speed phenomena, many kinds of trigger modes
have been made available. These trigger modes are explained next.
There are nine types of trigger modes which are listed below.
- START - CENTER - END
- MANUAL - RANDOM - RANDOM RESET
- RANDOM CENTER - RANDOM MANUAL - TWO STAGES
3.5.1. START Mode
START mode is a trigger mode where recording starts the instant the trigger is input, the scene is
recorded until the memory is full, and then recording ends. This mode is suitable for taking images of
high-speed phenomena when what will happen, and when it happens, is known in advance.
For example, in a situation with a maximum useable memory of two seconds of recording, two
seconds of high-speed video is saved immediately after the trigger is input.
3.5.2. CENTER Mode
CENTER mode is a trigger mode where an equal amount of content recorded before and after the
trigger is input is saved to memory. This mode is suitable for viewing before and after an important
instant. For example, in a situation with a maximum useable memory for two seconds of recording,
one second before and one second after the trigger was input is recorded for a total of two seconds
of high-speed video.