Photron FASTCAM ultima APX-i2, Руководство по оборудованию

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FASTCAM-ultima APX-i2 Hardware Manual
-93-
Camera Setup
1. Feed a sync signal to the APX-i2 processor. Connect between the sync signal
generator and the EXT-SYNC IN on the APX-i2 rear panel with a BNC cable.
2. Make sure that the green LED (POWER LED) on the APX-i2 processor rear panel
blinks when a sync signal from the generator is present.
3. Press the MENU button to display the menu list.
4. Move the cursor by the joystick to the [EXT-SYNC IN] and press the joystick down
to select it.
5. Move the cursor by the joystick, up or down, to select a type of sync signal,
ON
POS OTHERS
(positive) or
ON NEG OTHERS
(negative)
.
6. Once the selection is done, press the joystick down to set it.
7. Start the external signal source sending sync signal to the camera. Make sure that
the camera recognizes the signal frequency and the frame rate is in sync with the
input signal. The current frame rate recognized by the APX-i2 system is displayed
in the lower left corner of the screen.
Note: The frequency of the sync signal from the external source should not be changed
when the camera is in the LIVE mode or recording (malfunctioning may result).
Note: Every time the frequency of the external sync source is changed for any reason,
do the steps 1 through 7 again to set up the system to the new frequency.
Note: If steps 3 to 7 are done without input sync signal, the camera operates at 60 FPS.
In this case, the camera indicates 1 FPS in text, which means there is no sync
signal input.
Note: Blinking of the green LED on the rear panel indicates the presence of a sync
signal. It stops blinking when the input sync signal is lost.
Note: Frame rate sync operation with external equipment cannot be carried out in the
RANDOM RESET mode.
Note: Due to the particular internal circuit configuration, this function inevitably has a
slight error against the input sync signal. In the APX-i2, the error is within a
magnitude of
±
22.83 n sec.
Example) For external sync signal operation with 10,000 Hz input sync signal,
the actual operating sync signal in the system is:
100 u sec ± 22.83 n sec = 9998 fps - 10002 fps