10.FAQ
© 2023 China Daheng Group, Inc. Beijing Image Vision Technology Branch 195
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 section 2.4.
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.
