Roland VersaCAMM VP-540 Service Notes page 122

Select [SUB MENU] > [CLOCK] > [DATE], and set the
6
date and press [ENTER] key.
Turn off the sub power, and then turn off the main power.
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Fix the Chassis Cover.
Dispose of the battery.
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SERVICE MENU
SUB MENU
CHASSIS COVER
MAIN POWER SW
< Rear View >
3-59
SUB MENU
CLOCK
[ ] [ ]
CLOCK
DATE
[ ]
DATE
00/00/00
[ ]
DATE
06/08/08