Page Comparison

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Step 1 - measure the cranial circumference

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According to the measured head circumference, choose between headband 1 and 2 according to table bellow. If you cannot find the desired size, follow procedure 6.2.4, with the extra tape provided

Step 3 - slide the headband through the sensor latches

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Choose which snap-on button to use according to the measured circumference and sizes from table bellow. Pull the end of the band, place the snap-on at the appropriate size, and press onto the desired one until you hear a click.

Size	Head circumference	Snap-on buttons position
Headband 1 (16 1/2 - 21 2/3 in)		Image Modified Snap-on button position
P	16 1/2 - 18 1/2 in
M	18 1/8 - 20 1/8 in
G	19 5/8 - 21 5/8 in
Headband 2 (19 5/8 - 24 3/4 in)
P	19 5/8 - 21 5/8 in
M	21 1/4 - 23 1/4 in
G	22 7/8 - 24 3/4 in

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