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Calibration Tablet Areas/Calibration Windows
The GS-800 Densitometer is equipped with reflectance and transmission step wedges.
The transmission step wedge is located on the left hand side of the image window. The
reflectance step wedge is internal. When you scan a transparent sample, place the sample
on the Densitometer's image window Do not cover the calibration windows (Figure 4.2) or
a calibration error will occur.
Validation and Documentation the calibration performance can be accomplished by the
following GS-800 IQ/OQ Protocols.
See section 1.2
Bezel
The bezel (Figure 4.2) is the raised frame around the image window. It has marks in
inches and centimeters to help you correctly position the sample on the image window for
scanning.
Indicator Lights
The indicator lights (Figure 2.2) are located on the front left side of the Model GS-800
Calibrated Imaging Densitometer cabinet. This panel consists of two lights that indicate
the status of the unit.
Light
Description
Power Indicator
Is lit when the power switch is in the on position (green light).
Ready Indicator
Flashes during self-test(start-up) and during scans (green light).
Calibration Strip Values
The OD values of the built in Calibration Strip can be found either on the decal posted on
the side of the GS-800 (see below) or on the enclosed OD value sheet .
OD Values and Serial number of
the tranparency calibration tablet
are on this decal pasted to the
right side of the GS-800.
4.2 Start-Up
