Texas Instruments MC-780PIx manual Random Shutter V Sync Reset

Random Shutter (V Sync Reset)

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)

Shutter command

Read out

Field indicator output

Shutter monitor output

Output interruption

1 Field

V sync reset

249 μs (PIA)

142 μs (PIH)

4-4 Using the Shutter Modes