Laser On Time; Main Μ-Com Version Up Mode; Timer Check Mode - Denon DCD-720AE Service Manual

6. Laser on time

"POWER" switch is turned to on while pressing the " 9 " and " 5 " button on this unit.
• One count corresponds to 10 minutes. (Values under 10 minutes are discarded.)
• When the time exceeds 10922 hours, the stored data is not updated and the value is ixed 10922.
X X X X X
Initialization of a count value
• When the " 1 / 3 " button is pressed for over 5 seconds while the accumulated laser on time is displayed, the count
value is reset.
• After resetting is completed, the display in 6(00000hours on the top line) reappears.
• Initialization of a count value is performed upon shipment from the factory and when the mechanism is replaced.
7. Main μ-com version up mode
Turn on the power pressing Power operation button.
Pressing the "SOURCE SELECT" button.
"USB" appears in the FL Display.
Insert the USB memory into a USB port. (the Firmware in the USB memory)
• When the " 2 " button is pressed for over 5 seconds.
Press the " 9 " button.
"Start_Update" appears in the FL Display and the Update of the Firmware starts.
Display
"Searching_USB" : Searching ile
"Start_Update" : Update start
"Exit / Continue" : Discontinued updating
"MCU Updating" : Updating

8. Timer check mode

Not for service.
Exit to Power off.
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