Yamaha YSP-1 Service Manual page 34

YSP-1
12. DATE
There are 4 SUB menu items.
The updated date of the program, clearance of the
protection history and the remote control reception
code are displayed.
When Remo Code menu is selected, keys become non-
operable due to detection of the values of all keys.
However, it is possible to advance to the next sub-
menu by push the INPUT key of the remote control.
MAIN
The updated date of the MAIN CPU firmware is displayed.
SUB
The updated date of the SUB CPU firmware is displayed.
PROTECT HISTORY DELETE
Reserve/Cancel can be selected by using the "SELECT"
and "RETURN" keys of the remote controller.
REMOTE CONTROL CODE DISPLAY
The reception code of the remote controller can be
checked.
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