3. To exit the test, press the Smart Teach button once.
Note: By default, the Test exits automatically after three minutes.
4.2 Aim—Manual Focus Models
The Aim function turns on the built-in laser pointer aiming system to aid reader positioning. Because the laser pointers are
centered on the FOV, use them to position the imager on the code. The Aim LED blinks to indicate this state.
1. Select a single code for your application and place at the correct reading distance for your application.
See the
on page 82 for reference.
2. Enter Aim mode by pressing and holding the Smart Teach button until the Aim LED is on.
Figure 42. Smart Teach Interface: Aim Mode
3. Release the button to enter Aim mode.
The laser pointers turn on.
4. Position the code at the center of the Field of View (equidistant from the laser pointers).
Figure 43. Code Position
5. Once aligned, exit Aim mode by pressing the Smart Teach button once.
After a short delay, Aim mode is cancelled and the laser pointers turn off.
4.3 Aim and Autofocus the Reader—Liquid Lens Autofocus
Models
The Aim/Autofocus function turns on the built-in laser pointer aiming system to aid reader positioning. Because the laser
pointers are centered on the FOV, use them to position the imager on the code. The Aim LED blinks to indicate this state.
For Liquid Lens Autofocus models, the autofocus feature is incorporated into this function.
1. For best results, print the
PPI (Pixels Per Inch) Setup Chart
Using this chart during Focus Autolearn typically results in a more accurate focus/reading distance, a more accurate
PPI value and more accurate module size measurements of barcodes.
2. Place the PPI (Pixels Per Inch) Setup Chart in front of the reader at the correct reading distance for your application.
See the Global FOV Diagrams in
Liquid Lens Autofocus Models 9 mm Lens
on page 83 for reference.
3. Enter Aim/Autofocus mode by pressing and holding the Smart Teach button until the Aim LED is on.
Figure 44. Smart Teach Interface: Aim/Autofocus Function
4. Release the button to enter the Aim function.
The laser pointers turn on, and the Autofocus procedure begins. The Aim LED blinks until the procedure is
complete.
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