Roland SOLJET Pro III XC-540 Service Notes page 113

Remove the Battery on the Main Board by pushing it
3
down and tilting towards right.
Replace the Battery with new one.
4
Be careful with the direction of the Battery.
Turn on the Main Power SW and turn on the Sub Power
5
SW while pressing the Left, Right and Down keys to
enter the Service Mode.
Select [SUB MENU] > [CLOCK] > [TIME], and set the
6
time and press [ENTER] key.
Socket
Socket
[ ], [ ], [ ] + SUB POWER ON
MENU
SERVICE MENU
SERVICE MENU
SUB MENU
3-51
1
2
Main Board
Battery
Main Board
[MENU] key
SUB MENU
CLOCK
[
CLOCK
TIME
[
TIME
00:00:59 B
[
TIME
13:01:59 B
[ ENTER ]
] [ ]
]
]