Novametrix Medical Systems OXYPLETH 520A, Service Manual

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8
Model 520A Service Manual 5693-90-01
PRELIMINARY
7
Summary of
Operation
This section summarizes the operation of the Model 520A Pulse Oximeter. It is
intended as a quick reference and refresher for persons who have thoroughly
reviewed the Model 520A User’s Manual (PN: 5693-23). Persons unfamiliar with
the Model 520A should thoroughly examine the User’s Manual before referencing
the steps listed here.
1. If powering the monitor from the AC line voltage; Connect the line cord to the
monitor and plug into a properly grounded 3-wire outlet. Set the rear panel
power (Mains) switch to the | (on) position.
2. Press the front panel
POWER
key to turn the monitor on. Verify the Message
Center displays
Connect SPO2 Probe
after the self-tests are complete.
3. Use the Menu System to modify the operation of the monitor to best suit your
application. The Menu System menus include:
•
ALRT
softkey - Use
SEL
to select SpO2 or Pulse limits, then use the
↑
or
↓
to set the limit to the desired value. Note that the monitor will maintain
a spread of at least 5 digits between the upper and lower limit values.
•
TRND
softkey - enters Trend mode and draws trend memory on display.
•
MENU
then
AUDIO
softkeys - Select
Pulse
to turn on/off and control the
volume of the audible beep with each detected pulse. Select
ALERT
to
control alert volume.
•
MENU
then
AVG
- Select either 2 second or 8 second SpO2 averaging
time.
•
MENU
then
LITE
softkeys - toggles backlight between bright and dim.
4. Verify that the SpO
2
and Pulse Rate alert limit settings are consistent with
your monitoring application.
5. Connect a SuperBright™ (87xx series) sensor to the front panel input. Apply
the sensor to the patient.
6. Check that within several seconds the patient’s SpO
2
and Pulse Rate are
displayed on the monitor.
7. As necessary, refer to the appropriate sections within the User’s Manual for
detailed operating instructions and explanations.