FASTCAM-APX RS Hardware Manual
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TTL change over signals, to be fed to the GENERAL IN connector, are defined as
follows (e.g. for positive signal setting):
GENERAL_IN Input “H”
Change to higher rate from the next frame
GENERAL_IN Input “L”
Change to lower rate from the next frame
Parameter Setting for Dual Framing Rate Mode Operation
The following shows how to set parameters for a higher and lower framing rates.
1. Referring to Section 3.2. [Selecting Frame Rate], select a framing rate for the
higher rate, for example 2000 fps.
2. Press the MENU key on the keyboard to display the menu list.
3. Move the cursor by the U-D and L-R keys to [TWO STAGES] and press the
ENTER key to select the item.
4. The TWO STAGE menu appears on the screen. In the right-hand area, framing
rate ratios of 1/2, 1/4 and 1/8 are shown to choose from.
5. Move the cursor to one of the ratios, for example 1/4, and press the ENTER key to
select it.
6. Now the system has been set to record at 2,000 fps for the higher rate and 500 fps
for the lower rate.
7. Press the MENU key to exit and go back to the LIVE screen.