Anritsu MG3641A - Manual (Page 47)

SECTION 4 OPERATING INSTRUCTIONS
(2) Select "Initial memory set" by pressing the "
↓ " [F2]
key or "
↑ " [F3] key (the characters are highlighted).
(3) As you press the "Sel" [F1] key, the current panel
settings will be written to the preset memory.
If you select "Initial memory clear" in (2) above, and press the "Sel" [F1] key, the contents of the preset memory will
be cleared, and the factory settings will be restored.
Moreover, if you select "Factory initialize" and press the "Sel" [F1], the generator will be initialized with the factory
settings. Be careful in this case, since the contents of the panel memory and all the system settings will be initialized.
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