Lumenera Lt-C1610, User Manual

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Teledyne Lumenera Lt Series Troubleshooting • 129
8 Troubleshooting
8.1 Overview
This section provides information for troubleshooting camera installation problems. A few important
items from the web site FAQ are repeated here, followed by troubleshooting flow charts enabling
the user to pinpoint the problem type.
Teledyne Lumenera Troubleshooting FAQ on the web:
https://www.lumenera.com/support/industrial-usb-ethernet/usb-faqs.html#Troubleshooting
8.2 USB 3 Camera FAQ Items
My USB camera is not recognized by the system and not listed in Device Manager
If the camera does not show up in the Windows Device Manager, the cause could be one of the
following:
•
If the camera LED remains dark (off), verify that the USB 3 cable is not faulty. The camera is
normally powered by the USB 3 port 5 volt power. Test the camera with another USB 3 cable.
•
Test the camera by connecting it into another USB 3 port, or on another PC. When the camera
is detected by host, an entry will appear in the Windows Device Manager – regardless of
whether the device driver is loaded on the computer.
Windows Device Manager incorrectly lists the camera, or displays an exclamation mark
beside the device
This describes the situation that occurs when the correct device drivers are not loaded to the
camera by the operating system. It may occur if the camera is connected to the PC before the
software and device drivers have been installed. Teledyne Lumenera camera device drivers are
signed and compliant with Microsoft requirements, so device drivers should load automatically
whenever the camera is connected to a PC where the device drivers are resident.
My image is darker in the corners
This issue known as vignetting happens when the lens image circle used is too small for the camera
sensor. Make sure that you use the proper lens/optics for the camera. Your camera's datasheet will
state the size of the sensor used so that you can properly match your lens/optics.
Also see Choosing a Lens with the Correct Image Circle for additional details.
Settings which have an impact on the camera frame rate
There are a few reasons why you cannot get the advertised frame rate.
•
The selected exposure time can limit the frame rate. Make sure that the exposure time is
fps < 1/desired frame rate.