Invivo Millennia 3155A, Руководство по обслуживанию

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4-5
(3) Press the Rotary Knob to select SERVICE (BIO-MED) .
(4) Turn the Rotary Knob to highlight the MONITOR CAL menu selection.
(5) Press the Rotary Knob to select MONITOR CAL .
(6) Turn the Rotary Knob to highlight the YES option.
(7) Press the Rotary Knob to display the Monitor Calibration Screen.
(8) Turn the Rotary Knob until readings for “ETCO2 abs pres” and “ETCO2 diff pres”
are displayed.
e. Obtain the correct barometric pressure reading and perform the following calculation: 2
x Barometric Pressure (Hg.) x 25.4 mm/in. x 0.005 V/mmHg – 20mV (the value should
be approximately 7.600 Vdc).
f. Adjust AB117 R74 for the value calculated in step e above (reading will update in the
“ETCO2 abs pres” window.
g. Adjust AB117 R75 for a value of 2.00 Vdc ±0.02 Vdc (reading will update in the
“ETCO2 diff pres” window.
h. Carefully remove the tubing from the center of the differential input of Transducer port
AB117 U20.
i. Use a manometer and proper size tubing to apply 100 mmHg to the U20 Transducer port.
j. Adjust AB117 R77 for 4.00 Vdc ±0.02 Vdc (reading will update in the “ETCO2 diff
pres” window. Repeat steps g through j as required.
k. Turn the monitor off.
l. Disconnect manometer and reconnect tubing to AB117 U20.
m. Turn the monitor on.
n. Setup ETCO2 as follows:
(1)
Press the
SETUP
Control Key.
(2) Turn the Rotary Knob to highlight the PARAMETER SELECTION menu
selection.
(3) Press the Rotary Knob to select PARAMETER SELECTION .
(4) Turn the Rotary Knob to highlight the ETCO2 menu selection.
(5) Press the Rotary Knob to select ETCO2 .
(6) Turn the Rotary Knob to highlight the
ON
menu selection.
(7) Press the Rotary Knob to select
ON
.
(8) Press the NORMAL SCREEN Control Key.
o. Wait 15 minutes for ETCO2 to warm up.
p. Connect Flow Meter to the GAS port on the monitor front panel.
q. Perform High Flow adjustment by adjusting AB117 R57 for a reading of 240 ml ±5 ml.
r. Disconnect the Flow Meter from the GAS port on the monitor front panel.
s. Put your finger over the GAS port on the monitor front panel and verify the following:
(1)
The message “CO2 OCCLUSION” appears at the top of the display screen.
(2) The pump motor speed increases in an attempt to clear the occlusion.