Marantz SR5500 - Page 9

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11. Click CLOSE button to close the application.
12. Disconnect Mains power cord.
13. Turn off the internal switch that has been turned on at step 3.
14. Turn on the unit.
Firmware Version Check
To check the versions of the firmware, see “Microprocessor (CPU), DSP Version and FLD Segment Check Mode” in “SERVICE
MODE” section.