Porter DIGITAL MDM, Руководство по эксплуатации и установке

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Flow Display Control:
The key pad DISPLAY O
2
or
DISPLAY N
2
O select the gas flow rate displayed on the
flow display. Press and hold the DISPLAY N
2
O key to
display the nitrous oxide component of the total flow.
Press and hold the DISPLAY O
2
key to display the
oxygen component of the total flow. If neither key is
held, the LPM FLOW display indicates the total gas
flow.
Oxygen Flush Key:
Pushing the O
2
FLUSH key
delivers 100% oxygen directly to the mixed gas outlet
at the rear of the unit. This outlet is connected to the
patient through the breathing tube connector (see
Figure 2). While the key is pushed, 100% oxygen is
delivered continuously at a minimum flow rate of 20
LPM. Releasing the key returns the unit to the flow rate
and mixture ratio which were in effect prior to the flush.
Alarm Test/Silence Key:
The alarm test / silence
key serves two functions. When pressed, all the
display, indicators and the audible alarm turns ON.
This key also silences the audible alarm when a
NITROUS FAILURE condition exists. The audible
alarm will be silent for about five minutes and then
resume, unless the failure condition has been
corrected.
Machine Diagnostics
The DIGITAL MDM mixer performs self checks at start
up and during operation. If any errors are detected, the
unit displays EE on the % OXYGEN display and an
error code on the LPM FLOW display. If an error code
appears, remove the unit from patient service and call
the Porter Technical Service Department at 1-888-723-
4001.
To aid in the diagnostics of the unit, make note of the
final error code displayed.