Confidential and Proprietary Information
IriShield
TM
-USB MK 2120U Basic Userās Guide
8.7 Recovery ...................................................................................................................................... 60
9 Cautions and Possible Problems on USB Cable and Port .................................................................... 62
9.1 Cautions ...................................................................................................................................... 62
9.2 Possible Problems ....................................................................................................................... 63
10 Troubleshooting .............................................................................................................................. 65
10.1 Preventing Dark, Mismatching, or Blurry Images ....................................................................... 65
10.2 Preventing Occlusion .................................................................................................................. 65
10.3 Preventing Side Gazing & Partial Iris ........................................................................................... 66
10.4 Device IO Failure ......................................................................................................................... 66
10.5 Preventing Reflection by Glasses ................................................................................................ 67
11 FAQ .................................................................................................................................................. 69
11.1 Questions about the Camera Hardware ..................................................................................... 69
11.2 Questions about Software Installation ....................................................................................... 70
11.3 Questions about Image and Template Files................................................................................ 70
11.4 Questions about the Image Capture Process ............................................................................. 71