Texas Instruments MC-780PIx - Random Shutter Control Timing (V Sync Reset)

Random Shutter (V Sync Reset)
4-4
Using the Shutter Modes
4.3 Random Shutter (V Sync Reset)
On the rear panel mode switch SW3, set switch 1 to OFF and switch 2 to ON.
Use the shutter speed control switch SW1 to set the shutter speed. Figure 4–3
shows the random shutter speed control timing with V sync reset.
The random shutter operates only when the shutter command has been
added, so continuous shutter is the normal operating mode.
Figure 4–3. Random Shutter Control Timing (V Sync Reset)
249 µs (PIA)
142 µs (PIH)
1 Field
Read out
Field indicator output
Shutter monitor output
Shutter command
Output interruption
V sync reset