Hardware Developer’s Manual
19
© 2021 Iritech, Inc. All rights reserved.
If the infrared LED is bent, adjust the infrared LED to ensure the eye is illuminated at about 13 cm
(5.1 inches) away from the front of camera mirror. The best position for the infrared LED is about
20 mm (3/4 in) from the center of the camera and aimed at a slight angle toward the camera.
Examples of Image Brightness with Infrared LED at Different Placements
11.
Conditions for Using USB
11.1
Using USB 2.0
•
IriShield™
-USB camera should be used with the accompanied USB cable supplied by
IriTech.
•
The PC must be equipped with a USB 2.0 Host Adapter and a USB 2.0 port.
•
You can verify the above conditions in the Device Manager provided by MS Windows.
If there is “
Standard Extension PCI2 USB
”, “
Enhanced
”, or “
USB 2.0
” listed in the
Universal Serial Bus controllers, it means the PC supports USB 2.0.
