Respironics BiPAP Focus Operator's Manual page 13

Warnings
WARNING: When using oxygen bleed-in, verify that the orientation
of the oxygen safety valve is correct before use.
WARNING: (Chapter 7, Care and Maintenance) Maintenance and
service work not listed in this chapter shall only be done by a
qualified service technician. Only a qualified service technician can
assure that the BiPAP Focus system is properly serviced for safe
operation.
WARNING: Do not connect any device other than remote alarm
cables if the unit is on a patient. Only use cables recommended by
Respironics.
WARNING: This product consists of devices that may contain
mercury, which must be recycled or disposed of in accordance with
local, state, or federal laws. (Within this system, the backlight lamps
in the monitor display contain mercury.)
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BiPAP Focus™ Noninvasive Ventilator System
1027404 Rev K