10.FAQ
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 155
10. FAQ
No.
General Question
Answer
1
On the unactivated Windows7 64bit
system, the installation of Galaxy SDK
has been successfully, but open the
demo program failed.
1) Activate Windows7 64bit system, uninstall the
package, restart the system, reinstall the package
and reopen the demo program.
2
The cameras cannot be enumerated.
1) Please check whether the LED is green, and
check whether the USB cable is connected
properly, re-enumerate after re-plugging the
camera.
2) Please check whether the driver of connected
controller works well, reinstall the controller driver
and enumerate repeatedly.
3) Please check whether the driver of host controller
works well, and whether the camera displays as
“USB3 Vision Digital Camera”, if not, try to
reinstall the setup driver.
3
Fail to open device, it shows "Load XML
failed".
1) Contact with the technical support to obtain
upgrade program, and then upgrade your
cameras.
4
Fail to open device, it shows that "The
device has been opened".
1) Please close the software which has opened the
camera.
5
Fail to open device, it shows that "This
device can only be operated on an
USB3.0 Port".
1) Please check whether the camera is connected to
USB2.0 port or USB2.0 HUB. Be sure to connect
the camera to USB3.0 port.
6
No images after acquisition start.
1) Please load the default parameter set, reopen the
demo, execute the command AcquisitionStart
again, and then check the frame rate.
2) Open the demo, switch to stream features page,
and
decrease
the
number
of
StreamTransferNumberUrb to 10. Then try to
execute the command AcquisitionStart again and
check the frame rate.
3) Open the demo, switch to stream features page,
check the statistic information, and check if any
packet has been received. If there are some
incomplete frames, please refer to
7
The frame rate is not up to the nominal
value.
1) Change another PC with high performance.
2) It's recommended to use Intel host controller.
3) Be sure the main board support PCI-E2.0 or
above.
4) If you have any other questions, please contact
us.
8
Lose frames seriously in a multiple
cameras' application.
1) The bandwidth of the camera is more than the
bandwidth of the host controller. You can
decrease
the
bandwidth
through
the
DeviceLinkThroughputLimit function.
2) Connect the camera to the host controller
separately.
