Owlstone Medical BREATH BIOPSY CASPER, User Manual, Page: 18 / 25

©Owlstone Medical Ltd. 2019 95-0006-004 08 Oct 2019 Page 18 of 25
2. Power on the system using the rocker switch on the back of the
system. On start-up, the system status indicator will flash red, a
buzzer will briefly sound, and the fans will pulse.
The CASPER Portable Air Supply should not be
used if either the buzzer does not sound, or the
red warning LED does not illuminate.
The remaining lifetime of the scrubber will be shown by the filter
status indicators. On first use of the scrubber, five green LEDs
should be visible.