Rockwell Automation 2755 AdaptaScan Software - Manual (Page 81)

5–7
Publication 2755-838
Open the Focus dialog by clicking the Focus button on the Scanner
dialog.
Focus
Displays the status of the autofocus.
Select To
Set to Suggested
Position Immediately set the focal distance to the focus position deter-
mined by the autofocus function (without clicking Apply).
Start Initiate the autofocus function.
Focus Range Units
Displays the current focal range from 0 to 255 units, where 0 is the
minimum focal distance and 255 is the maximum.
Preset
Shows one of 4 preset focal ranges that correspond (approximately)
to Allen-Bradley Bar Code Scanners (Cat. No. 2755-LD4, -LD8).
See Appendix B.
Select To
A Set the focal distance to 20 units.
B Set the focal distance to 104 units.
C Set the focal distance to 158 units.
C+ Set the focal distance to 180 units.
None Disable the preset focal distance option.
Setting the Focus