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3-2. On-Off Button And Low Battery Indicator1 On-Off Button
Press On-Off button to check if the
lens is working properly and to be-
gin lens shade, sensitivity, and
delay adjustments.
When the On-Off button is pressed,
the lens should darken and return to
the clear state. Do not use the hel-
met if the lens does not function as
described. (See Section 9, Trouble-
shooting.)
2 Low Battery Indicator
The message “Low Battery” ap-
pears on the display screen when
2−3 days of battery life remains.
If battery power is low, replace with
CR2450 lithium batteries (2 re-
quired − Miller Part No. 217 043)
See Section 6.
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