
CLA Nx / User Guide
11
U
NITS
Choose head measurement units: centimeters or inches.
C
IRCUMFERENCE
To find your head circumference, use a measuring tape to measure the longest distance around your head: over the
back of the head, around your ears, and around your eyebrows. Enter values directly by dragging up or down over
the value box.
Default: 55 cm / 21.
7
in (average adult circumference)
Range: 35 cm to 75 cm / 13.8 in to 29.5 in
E
AR
-
TO
-E
AR
is the distance from ear to ear around the back of your head, on a plane parallel to the floor.
Default: 25 cm / 9.8 in (average adult ear-to-ear measurement)
Range: 15.0 cm to 40 cm / 5.9 in to 15.8 in
Содержание CLA Nx
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