Sony XCHR70 Technisch handboek - Pagina 24

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Setting the shutter speed using DIP switches

HD/VD input

• Continuous HD input/Single VD input

External trigger shutter operation

2 µ s to 250 ms

Trigger*

Exposure time (Te)*

External HD*

External VD*

(Single VD)

T: T=10 ms to 45 ms*

Video out*

WEN

*1 This is an external input signal. Make sure to input

both HD and VD signals in this case. Input the

signal so that the VD phase aligns with the HD

falling edge.

*2 The exposure time (Te) is determined by the

setting of the DIP switches.

For details, see page 17.

*3 Normal operation is resumed when the trigger

pulse width is 1/3 s or more. The trigger falling

edge restores external trigger shutter operation. At

this time, the 50 ms after the falling edge of the

trigger pulse is an external trigger input inhibition

area. There is no guarantee of operation for any

trigger input in this period.

796 H (Binning OFF)

398 H (Binning ON)

*4 Input the external VD within the period of 10 ms to

*5 With the XC-HR70, a signal synchronized with

Note

Make sure that the trigger signal and the VD signal

make up a pair.

An image is not output correctly when the next trigger

is input before the image for the previous trigger has

been output.

Mode transition state

External input

inhibition area

Normal operation*

Trigger pulse width*

45 ms after the trigger rising edge (1 and 2 in

the figure). There is no guarantee of operation for

any other input. If an invalid signal is input, the

input is changed to a valid signal, and after several

V signals, normal operation resumes.

VD cycle is not output.

Mode Settings

External trigger

shutter operation

(50 ms)

Exposure time

(Te)*

Min.10 ms