Aeris CompuMask Quick Start Manual page 4

ACTIVATION
ACTIVATION
•
To Manually Activate the
CompuMask, momentarily
press and release either
Button.
•
When manually activated, the
unit will enter Diagnostic Mode,
displaying all segments of the
LCD as 8's, followed by dashes
(- -), then a countdown from 9
to 0.
•
Diagnostic Mode checks the
display, battery voltage and
barometric pressure to ensure
that everything is within
tolerance and functioning
properly.