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3.6.4Internal Shutter Speed with Slow Mode (TM-1020-15 Only)
FIGURE 13. Internal Shutter Speed with Slow Mode (TM-1020-15 Only)
External
Pulse
min 2H
HD
Internal
VINIT
X |
| External |
|
|
9H
Transfer
Gate
Pulse9H
Discharge pulse
Exposure Time
Composite
Video
FDV | 32H |
The speed control ranges from 1/120 to 1/950 sec. The video signal starts with internal VINIT. Select a dial switch setting from “1” to “4.” With the internal slow reset mode selected, the camera operates the reset and shutter in the same way as the external pulse width control mode. When the external VINIT pulse is applied, internal VINIT is latched to HD and the second internal VINIT signal is delayed to set up the shutter speed period. The shutter speed is controlled by the dial switch from “5” to “8.” Video output timing starts right after the internal VINIT. For the timing of the delayed internal reset, LPULSE output of the
Operation