Bio-Rad GS-800™ Calibrated Densitometer - Manual (Page 16)

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Note: The Reflective density values for the Reflectance Calibration strip are already
included as default values in the software so you do not need to enter them to calibrate the
instrument. Keep the image window clean and free of oil and fingerprints. See Section 5,
Maintenance, for cleaning procedures.
4.4 Transmittance Scanning
To scan a transparent sample:
1. Raise the Transparency Module.
2. Place the sample face down on the Densitometer's image window.
3. Lower the Transparency module.
Warning: Always lower the transparency module slowly and release it only when it lies
flat on the body of the Densitometer.
4. For more information about scanning operations and options, refer to the Quantity
One software manual.
Note: The OD values for the Transparency step tablet are included on a separate sheet
with this Manual and are also on the Decal pasted on the right side of the instrument. If
for any reason these values are lost contact Bio-Rad Technical Service. Keep the image
window clean and free of oil and fingerprints. See Section 5, Maintenance, for cleaning
procedures.