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RS-50 System Update 

 
Note: Updating the operating system will erase all custom User settings. Please 

back up all important User information before performing the system update. 
 

Tools Needed: 

 

1.

 

RS-50 

2.

 

MIDI Sequencer or software program capable of playing Standard MIDI 
Files 

3.

 

MIDI cable 

4.

 

Update Files  

 

Update Procedure: 
 

1.

 

Connect the MIDI Out of the sequencer to the MIDI In of the RS-50. 

2.

 

Power On the RS-50 while holding “KEY MODE” and “ENV or 

BALANCE/LFO.” 

 
The following screen will be displayed 

 

 

3.

 

Press “1 Piano.” 

 

The following screen will be displayed 

 

 

4.

 

Send all 29 “.mid” update files in consecutive order. 

 

Note: While the RS-50 is receiving data the display will show “Receiving.” 
 

5.

 

Once all data has been sent, the 1 Piano and 2 Key&Org buttons will blink 
and the following will be displayed: 

 

 

6.

 

Power Off the RS-50. 

7.

 

Power On to resume and proceed to the steps on performing the “Factory 
Reset.” 

 

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