Datalogic AV500, Product Reference Manual

Page: 210 / 324

E-GENIUS
190
AV500 2D CAMERA
The Sequential mode allows for the AV500 to read bar codes in two separate zones without the
need of a photo sensor. the AV500 will set two separate focus zones and control the frames it
keeps the focus for each zone
Near Focus Distance
Near Zone Focus Distance is the distance from the back of the scanner to the Mid range of the
near read zone.
Near Number of Frames
Near Number of Frames determines the number of frames the AV500 will remain in the near
zone until it changes its focus to the far zone.
Far Focus Distance
Far Zone Focus Distance is the distance from the back of the scanner to the Mid range of the
far read zone.
Far Number of Frames
Far Number of Frames determines the number of frames the AV500 will remain in the far zone
until it changes its focus to the near zone.
Gain
Gain Mode
Select Profile or Fixed from the drop ‐ down list.
When profile is selected the AV500 will adjust the image Sensitivity according to the identified
distance from the camera. The closer the package is to the AV500 the lower the sensitivity. The
farther the distance, the greater the Sensitivity adjustment.
Gain Settings
If Profile is selected, Sensitivity Table offset Factor
Sensitivity Table Offset Factor
Sensitivity Table Offset Factor, when used with the Dual Zone Focus Mode option will adjust
the gain in the near zone (I need to still find out how it is effected when the Dynamic option is
selected.)
If Fixed is selected, Fixed Sensitivity
Fixed Sensitivity (1-1024)
(1 ‐ 1024)In the Fixed Sensitivity configuration the Sensitivity is adjusted to optimize the image
intensity and is maintained through the DOF.
Maximum Exposure Offset (-/+)
This is the offset to be applied to the value in “Calibrated Maximum Exposure”. The result of
“Calibrated Maximum Exposure” +/
‐ “Maximum Exposure Offset” cannot be lower than 20 or
greater than the value in “Calibrated Maximum Exposure”
Current Maximum Exposure Value