Brother P-touch 580 C Guia Del Usuario página 70

Zoom mode allows you to see how a label will appear when it is printed by
zooming out from the text, or to see parts of the message in detail by zooming
in. The cursor keys can be used to move the cursor so different parts of the
message can be seen.
TO ENTER ZOOM MODE:
(1) Press the ZOOM key and the display zooms in to enlarge the message.
(2) Press the ZOOM key again and the display zooms out to show the message
as it will appear when it is printed.
(3) Press the ZOOM key one more time or the CANCEL key to return the display
to the text entry screen.
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