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4. Press the ENTER key to access the Administrative Functions Menu.
5. Press the right ARROW key one time to display the “Administration” screen.
6. Press the ENTER key to enter the maintenance activities screen.
7. Press the right ARROW key three times or until “Maintenance 4” appears.
Note: The system requires the fiber optic option to perform an auto power test. Refer to the “Fiber Optic” section to enter
the calibration and select the Fiber Optic option.
8. Press the “+/-” keys to highlight “Auto Cal. PS.”
9. Press the ENTER key.
10. Use the ARROW keys to highlight “Power Test.”
11. Press the ENTER key.
12. If applicable, remove the attenuator assembly from the instrument cavity.