
Chapter 4: Operating Instructions
Pulse Oximeter for Sleep Screening Operation Manual 4-7
Verification Mode
Verification Mode is intended for use in spot checking and for verifying that the user has
correct placement of the finger sensor.
• The monitor will enter the Verification Mode as soon as trend memory is cleared.
• In this mode the patient will be able to position the sensor on his/her finger (or appropriate
site) and obtain SpO
2
and heart rate data on the display.
• This mode will last for 10 minutes of continuous valid data collection.
• If the monitor is powered down during this mode, it will be powered up in this mode and
the verification timer will be reset.
• Once the verification timer reads 10 minutes, the monitor exits theVerification Mode and
enters the Data Collection Mode.
• The user functions in Verification Mode are:
• The display will show % SpO
2
and heart rate values (if available, otherwise “dashes”
[ - - ] for invalid data are displayed).
• The
x
key will turn the unit OFF without changing modes.
• Pressing the F key momentarily will not activate the printer. The printer function is
suppressed in this mode.
• Pressing and holding the
F key will advance the paper (see pg. 7-5) Reloading the
paper is allowed in this mode.
• Pressing and holding the
F key at power up will erase trends, even if the trend
memory is already clear.
• The serial link to the PC computer will be suppressed in this mode.
Data Collection Mode
Data Collection Mode is intended for use in long-term collection of data in sleep screening
environments.
• The Data Collection Mode will be entered when the verification timer reaches 10 minutes.
• Once the trend data collection process has been started, trend memory will be filled
continuously until the end-of-memory is detected (approx. 12 hours) or the monitor is
powered down.
• Invalid data (such as sensor off) is stored in trend memory, but is not used in the statistical
calculations.
• The user functions in Data Collection Mode are:
• The SpO
2
display will show one flashing bar and heart rate display will be blank (see
Fig. 4.4).
• Pressing and holding the
x
key for six (6) seconds will turn off the unit. While
pressing the
x
key, the flashing bar will flash at a higher frequency indicating that
the unit is about to be powered down.
NOTE! If the
x
key is released before the six seconds elapses, the bar will return to its
normal flashing pattern.
• After the power down, the unit will power up in the Trend Printing Mode.
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