Mindray Passport 5-Lead, Service Manual

Page: 155 / 544

Passport 5-Lead, 5L, LT, XG Service Manual 0070-00-0420 1 - 143
Operation (5-Lead, 5L, LT and XG) Operation (XG)
NOTE: The sampling tube must NOT be attached to a patient at this
time and must be away from all sources of CO
2
(including
the patient’s and your own exhaled breath, and ventilator
exhaust valves). If the monitor detects changing CO
2
levels
(breaths) during a pump calibration, a “Breaths Detected ...
Retry” message displays and then a “Pump Cal Failure”
message will display. To continue, remove the source of
CO
2
, wait 30 seconds and repeat the calibration.
9. Connect the sampling tube to the patient airway and observe the capnogram on the
monitor’s display.
NOTE: The bed clip may be used to secure the assembly to a
convenient place. Use the plastic twist clips to connect the
sensor cable and sample tubing together for easy
identification.
10. When the Passport XG has detected valid breaths, numbers will display for ETCO
2
,
Inspired CO
2
and Respiratory Rate (if enabled for CO
2
as source).
11.
If not already set, use the Setup Menu, to select “Auto Display CO
2
”waveform to be
displayed on Waveform 2 or Waveform 3.
12. If desired, the CO
2
waveform scale can be changed by entering the CO
2
menu. See
“Use of Menus” on page 1-109 for details. The CO
2
menu also has provisions for N
2
O
and O
2
compensation.
NOTE: See “User Configuration Mode” on page 1-153 for
Barometric Pressure and CO
2
Units selection. On units with
sidesteam CO
2
capability, there is automatic compensation
for barometric pressure.
NOTE: See “Sidestream CO
2
Messages (on Passports with
Sidestream CO
2
only)” on page 1-164 for more details on
messages.