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pressing the Left key under
other modes or pages)
MENU
Menu key
Enter Menu Page (can
be also done by pressing
the Right key under other
modes and pages)
ENT
Enter
Accept and save the
inputs into the dialogue
box and end the dialogue.
Can be also used to open
and close the right-angle
buzzing function(when
detecting right-angle)
under basic measurement
modes(ANG, DIST,
CORD, MENU)
ESC
Exit/ quit
End the dialogue box
without saving inputs
ON/ OFF
On/ Off
Switch on or off the
instrument
F1~F4
Soft Keys
See the bottom of the
display screen. The
characters aligning with
these keys indicate their
corresponding functions at
the time.