Pulnix TM-250 Manual de Instruções descarregar pdf (Página 32)

Page 26

Operation Mode

TM-250 Miniature CCD Camera

time can be less than 11 lines for the TM-250 and 16 lines for the TM-260. If the F2 switch is Up (ON),

VSYNC is continuously generated and the camera behaves the same as in High-speed Cyclic shutter

operation. When F2 is OFF, VSYNC appears in only the ﬁeld right after VINIT when F2 is down (OFF).

FIGURE 17. Pre-Reset Asynchronous Shutter Mode

TABLE 11. Shutter Speed Control in Pre-Reset Asynchronous Shutter Mode

OFF

a. If F2 is up, VSYNC is continuously generated and the camera behaves the same as it does in high-

speed cyclic shutter mode.

OFF

ASY

CYC

TRIGGER

Polarity

Exposure

Time

(sec.)

Up Up Up Down Down Down Up Negative 1/29,100

Up Up Up Down Down Up Down Negative 1/10,200

Up Up Up Down Down Up Up Negative 1/6,200

Up Up Up Down Down Down Down Negative 1/4,400

Up Up Up Down Down Down Up Negative 1/3,500

Up Up Up Down Down Up Down Negative 1/2,800

Up Up Up Down Down Up Up Negative 1/2,400

Up Up Up Up Down Down Down Negative 1/2,100

Up Up Up Up Down Down Up Negative 1/1,800

Up Up Up Up Down Up Down Negative 1/1,600

Up Up Up Up Down Up Up Negative 1/1,500

F2 Up: SYNC signal is continuous.

F2 Down: SYNC signal is available in one ﬁeld right after VINIT.

Reset Reset

VINIT

Internal VD

DSUB pulse

Transfer

Exposure

Video Out

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Pulnix TM-250 Manual de Instruções Página 32