Sony MVS-8000 User Manual page 321

The display shows the corresponding register number. A letter "E" after
the number indicates that the corresponding register is empty.
4
Press the [ENTER] button.
This saves the macro data in the specified register, and the [STORE] button
goes off.
The [RCALL] and [STORE STATS] buttons light.
To cancel the saving of a macro
To cancel the saving of a macro immediately after performing it, hold down the
[STORE STATS] button and press the [UNDO] button.
Macro Operations in the Numeric Keypad Control Block
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