help please

[atomicairbrush]

What is the code for advanced service mode??
Roland sp300.

 

[kustomkoncepts]

try this

main power on ROCKER SWITCH

front panel power off (secondary power)

ARROWS

Press

Down

Right

Left

Up

Right

Down

Left

then quickly HOLD

Left, Down Right and Power (must hit these all together


this is how I get in on the SP 540V I have it written doen and it takes a few tries to get it. but works

 

[kustomkoncepts]

Clarify last step HOLD 4 keys down Totoal.... The Left The Down The Right and The Power all at once.