The TRANSPOSE [-] and [+] buttons on the front panel of the PSR-2000/1000 and PSR-2100/1100 are for transposing the pitch that the keyboard plays.

Transposing the Pitch of the Keyboard:

Use the TRANSPOSE [-] and [+] buttons on the front panel to transpose the pitch of the keyboard up or down in half-step increments. If you are playing in the key of C, moving Transpose to +1 will make the key of C sound like C#. Moving up to +2, it will sound like the key of D; up to +3 will sound like key of Eb, .etc. As you move the pitch up or down, the current setting will be shown in the upper left-hand corner of the main screen.

Transposing a Song (Temporarily):

1. Select a Song.
   
   
2. Press the [MIXING CONSOLE] button to the left of the screen.
   
   
3. Use the [BACK] and [NEXT] buttons to select TUNE at the top of the screen.
   
   
4. Use the [2A] or [2B] toggle buttons under SONG in the screen to transpose the Song up or down in half-step increments.

Transposing a Song (Permanently):

1. Select a Song.
   
   
2. Press the [DIGITAL RECORDING] button to the left of the screen.
   
   
3. Press the [A] SONG CREATOR button.
   
   
4. Use the [BACK] and [NEXT] buttons to select the CHANNEL page in the screen.
   
   
   
   
5. Use the [A] and [B] buttons to select CHANNEL TRANSPOSE.
   
   
6. Use the toggle buttons below the screen to select the desired transposition amounts for each Track of the Song.
   
   
7. When finished, press the [I] SAVE button.
   
   
8. Use the [BACK] and [NEXT] buttons to select a permanent memory area (USER memory or FLOPPY DISK) to store the transposed Song into.
   
   
9. Use the [A] - [J] buttons to select a location in the chosen memory area.
   
   
10. Press the 6 [v] SAVE button under the screen.
    
    
11. Use the [1] - [8] toggle buttons under the screen to name the Song.
    
    
12. Press the 8 [^] OK button to save the Song into the chosen memory location.

PSR-2000 Owners Manual, p. 104.

PSR-2100 Owners Manual, p. 107.