After setting the synchronizing pulse beep volume, press for one second while pressing again. “ ”
will appear on the SpO2 display and a current setting of the SatSeconds limit will appear on the pulse rate display:
“ ” indicates off, “ ” 10 seconds, “ ” 25 seconds and “ ” 50 seconds.
Press or to set the SatSeconds limit as desired.
The SatSeconds alarm limit is intended to decrease the occurrence of troublesome false alarms due to fluctua-
tions in %SpO2 values around the upper or lower alarm limit.
If any deviation from the SpO2 upper or lower alarm limit is detected, the SatSeconds point will begin to increase
(i.e. count up). When it reaches the preselected SatSeconds limit, the upper or lower limit alarm will occur.
If a detected %SpO2 value returns within the acceptable range, the SatSeconds point will begin to decrease (i.e.
count down). When it reaches “0,” the SatSeconds indicator will stop flashing to remain on.
The higher the SatSeconds limit is set, the longer it takes for the upper or lower limit alarm to occur. Set the
SatSeconds limit appropriately by taking into consideration the patient’s condition. For example, select a higher
setting for monitoring an active patient whose %SpO2 values tend to fluctuate greatly.
The upper or lower limit alarm will occur before the SatSeconds point reaches the preselected SatSeconds limit if
a detected %SpO2 value deviates from the upper or lower alarm limit three times or more within 60 seconds.
Setting the Fast Response (Nellcor)5-6.
* This section relates to a unit equipped with the Nellcor-type SpO2 function. Please skip this section if your
unit is not equipped with this feature.
After setting the SatSeconds limit, press again. “ ” will appear on the SpO2 display and either
“ ” or “ ” will appear on the pulse rate display: “ ” indicates that the fast response function
is on, and “ ” indicates that it is off. Press or to turn on or off the fast response function as
desired.
When the fast response function is on, the %SpO2 averaging time is 2~4 seconds. (When it is off, the %SpO2
averaging time is 5~7 seconds.)
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