Polaroid SprintScan SS35 Repair Manual page 29

Slide Scanner Repair Manual
SS35/SS35 ES
Calibration Routine
(See Section 5 for Details)
Start
First Scan
Calibrate
Check and adjust, if
necessary:
• Base line integration time
to ensure a minimum signal
and mitigation of saturation
• Analog gain and offset for
base line neutral settings
• Digital uniformity
offset calibration
• Digital uniformity
gain calibration
• Bad pixel identification
• Drift test
Fail
Ready LED
Continually Blinks
No Scan
Run LabVIEW Test
Figure 1-8. Calibration simplified flow diagram
Subsequent Scans
Check
Drift in Lamp
Front End
Fail
Calibration
Completed
Pass
Ready LED
Lights Steady
29
Scanner Overview
Start
or
Pass
Scan