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Scan Mode First Few Scan Columns or Rows Repeat
Scan Mode

Information in this article applies to:

  • uScope Navigator V4.0 and Later

Article ID: NSC2310 — Created: 5 Aug 2020 — Reviewed: 1 Oct 2020

Symptom

When scanning a region of interest that starts close to the top of the overview image, the first few rows of the scan repeat—row 2 has the same images as row 1.

or

When scanning a region of interest that starts close to the left edge of the overview image, the first few columns of the scan repeat—column 2 has the same images as column 1.

Cause

This problem is caused when the selected portion of the region extends past the home location of the X (columns repeat) or Y (rows repeat) axis. The home position is a mechanical limit of motion for each axis. Movement past the home position is not possible. And, any attempted movement past the home limit while scanning is ignored.

The root cause of this situation may be one or more of the following:

  • The home sensor is not properly adjusted.
  • The overview image incorrectly shows too much of the slide.
  • uScope calibration data are incorrect.

Resolution

Currently, the only resolution for this issue is to return your uScope for repair. We will ascertain the cause of the region selection problem and either repair or replace the uScope.

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