Sony XC-ST50CE Manual del usuario - Página 12
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XC-ST50/50CE
XC-ST30/30CE
RESTART RESET (R.R)
The information on one screen can be extracted at any time by inputting a restart/reset signal (HD/VD) from the
outside. To enter this mode, set DIP switches 6, 7, and 8 on the rear panel of a camera as shown in the table below.
The setting is especially effective for the following operation.
Long exposure
A high-sensitivity image is obtained by extending the exposure time of the CCD when satisfactory sensitivity
cannot be obtained under ordinary operating conditions or when observing the trail of a moving object.
The exposure time is determined by the VD interval (T) period between external VD pulses as follows.
Timing and conditions
Example 1 of Long exposure
EXT HD
Continuous signal: 15.734 kHz (XC-ST50/ST30), 15.625 kHz (XC-ST50CE/30CE) Allowable frequency value 1%
EXT VD
VD interval(T): 262.5H or more (XC-ST50/ST30), 312.5H or more (XC-ST50CE/30CE) and 1 second or less (Recommended)
Four or more VD pulses are required.
Exposure time for Odd field
Exposure time for Even field
Video output
Odd and even fields are determined by the phase of the EXT HD/VD signal input from the outside.
10
Switch
Restart Reset (R.R)
1
0
0
2
0
3
0
4
5
0
1
6
1
7
1
8
T
T
Odd image
Invalid image
1: ON
0: OFF
T
Even image
Valid frame image