Photron FASTCAM Multi Hardware Manual page 51

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System Settings



For PFV (Standard)

Input the synchronization signal from the device that generates the signal to the system.

Connect the synchronizing device's output signal to the system's SYNC IN connector using a

BNC cable.

When the synchronization signal is input to the SYNC IN connector, the SYNC IN LED

(yellow) on the front side illuminates. (* If the synchronization signal is lost, the LED goes

out.)

Verify that the camera mode is in LIVE mode (the image displayed is passed through from the

camera). If the system is in a mode other than LIVE mode, check "Live" on the camera

control panel.

Select I/O on the left tree from "Camera Option" on the camera control panel.

Set SYNC IN to "ON OTHERS POS/NEG".

 If no synchronization signal is input, the input signal is less than 50 Hz or the synchronization signal

is lost, the display shows "NO SYNC!" If input signal is over a maximum frequency (e.g. camera

head HS-01: 480,000 Hz), the display shows "OVER SYNC!" In either case, you cannot record

normally.

 A minute error occurs in the input synchronization signal due to the construction of the internal

circuitry of this function. An error of ±10 ns occurs for the input synchronization signal in the actual

operation. Since the frame rate display value on the monitor is in 1Hz units, the error may be shown

larger than the actual operation (an error of about ±1-5Hz is produced). For example, when

performing external device synchronization inputting a synchronization signal of 10000Hz, the

monitor display error is: 10,000 Hz ±1Hz = 9,999 fps to 10,001 fps.

FASTCAM Multi Hardware Manual

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