Clearing Tracks - Yamaha Portatone PSR-410 Owner's Manual

Record Functions
The [CLEAR] button can be used to completely erase the following data:
All data after the current measure in the specified SONG MEMORY track.
All data from the specified MULTI PAD.
For a SONG MEMORY Track, Set the Start Measure
Specify the Track or Pad to Be Cleared
Confirm or Cancel the Clear Operation
Use the [MEASURE #] button to set the first measure to be cleared
(page 37). All subsequent measures up to the end of the song will be
cleared.
Press the appropriate track or pad button while holding the [CLEAR]
button. The ARE YOU SURE? indicator will light and the PSR-410 will ask
"Are you sure?"
Turning the power OFF during clear-ready mode can result in a
loss of recorded data.
Press the [YES] button if you want to go ahead with the clear operation,
thus erasing the selected track or pad. Press [NO] to cancel the operation
and preserve the contents of the track or pad. "---" will appear on the
MULTI DISPLAY while the data is being cleared.