Gerber OMEGA CP Reference Manual page 715

3 Examine the bottom edge of the calibration pattern. Each bar has a letter at the bottom.
Make a note of the letter of the last bar without black printed outside the calibration
frame.
4 If the number and letter identify the same bar, the plotter does not require calibration.
Click Cancel.
5 If the number and letter identify different bars, the plotter requires calibration. Refer to
"To calibrate a plotter to a printer" for more information.
CAUTION: If there is no black foil extending past the calibration frame, or all black
outside the calibration frame, contact the Gerber Field Service Department at 800-
828-5406.
To calibrate a plotter to a printer
1 Click Setup > Device Select to open the Plotter/Printer Select dialog box.
701