Yamaha Electone EL-100 Owner's Manual page 72

2 Data (Data Controls)
The pair of the top right Data Control buttons is used to enter or
delete registration numbers in the registration row. Move the cursor
to the desired position and edit the registration data.
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DATA CONTROL
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[INS] Insert
For initially entering a registration or inserting a registration
number just before the current cursor position.
First, move the cursor to the position at which you want to
insert. Then press the desired Registration Memory button
(the lamp above the selected button will light), and press the
Data Control button corresponding to INS. The new
registration number is inserted at the cursor position and all
other numbers to the right of the cursor are moved to
accommodate the new number.
[DEL] Delete
For deleting a registration number at the current cursor
position. To delete the unnecessary number, move the cursor
to a numbered position and press the Data Control button
corresponding to DEL.
Registration numbers cannot be entered beyond the
Registration Shift function's capacity of 80. END will
automatically be placed at the end of the registration shift
setting. The following message momentarily appears when
the 80 spaces have been filled: First delete unnecessary
registrations, then perform the operation again.
≥ Data Full!
≥
DATA CONTROL
≥
≥