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Appendix
XCD-SX910CR/X710CR
XCD-SX910UV
XCD-SX910/X710
Notes on the Camera
Operations
1. If a Frame rate decrease.
Frame rate may decrease depending on your shutter
settings.
a. When a series of images is output, the instant
when the exposure time is shorter than one
frame, and the exposure time setting is shortened
using the shutter.
A
Exposure
time
TRIG
DATA
A B B BC
A > B
B < C
b. When the shutter is set to Auto, the instant when
the exposure time decreases to match the light
coming in. (Dark t Light)
In either cases, the camera tends to skip 1 frame
image, resulting in a decrease in the frame rate.
Keep this in mind when using an application that
switches exposure time frequently.
c. With a long exposure
In long exposure mode, the exposure time is set
longer than the image transmission cycle. In this
case, frame rate decreases according to the
exposure time.
2. When using Trigger mode
When this camera is set to accept a trigger at the
fastest possible timing, it can accept overlap of the
next trigger signal in the midst of video transmission.
For this reason, a trigger inhibition period is not
available. Thus, if a trigger signal is input before the
CCD can change to the state where it can accept
exposures, multiple exposures can occur, and it cannot
capture the correct image. Make sure that the
following conditions are met when the trigger is
activated.
Appendix
(However, partial activation can be used if the
following conditions are exceeded. Refer to the table
on pages 35 and 36.)
T T
3. When AE is not available.
The camera loads the AE function that controls Gain
and Shutter automatically. However, the function
works properly in the Normal mode only.
XCD-SX910CR/SX910UV/SX910
Format2Mode2 15 fps
TriggerOFF
XCD-X710CR/X710 Format1Mode5 30 fps
TriggerOFF
When other modes are set, activating the AE function
is possible, however, normal operation of the function
is not guaranteed.
In Trigger mode—AE works properly when the video
format is set to the normal setting and the trigger cycle
is set to the same as that of the video format.
4. On the sensitivity in Binning mode
In the Binning mode, the vertical signal is factored in,
so the sensitivity is doubled. The frame rate is also
doubled (the frame cycle is halved), but if the shutter is
set to off, the exposure time is halved, and so this
effect is canceled out. On the other hand, when the
shutter is on, the effect of this inclusion appears, and
the sensitivity increases. So when setting the exposure
time in the Binning mode, take this into consideration.
Mode 0: timing after the exposure set by the parameter
is finished
Mode 1: at the trailing edge of the trigger pulse
XCD-SX910CR/SX910UV/SX910 : T≥1/15 sec
XCD-X710CR/X710 : T≥1/30 sec