Table of Contents
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Problem
The
Is the focal
display
length
screen is
adjusted
blurry.
correctly?
The
Is the
display
brightness set
screen is
correctly?
too dark, or
too bright.
The
Is the current
display
environment
screen is
extremely
too dark to
bright?
see.
The
Is
display is
monochrome
mono-
mode set?
chrome.
The full
Is the zoom
image is
mode set to
not
Enlarge?
displayed
on the
screen.
Check
Turn the focus
adjustment dial on
the head display
right and left to
adjust the focal
length.
Press the
brightness button
to adjust the
brightness.
Check whether
direct sunlight is
getting in, and
whether anything in
the surrounding
area is emitting
extremely bright
light.
Press and hold the
brightness button
for two seconds to
return to the colour
screen.
Press the mode
button.
Action
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