8
Figure 6. Main Menu Interface
a) Backlight adjustment
On the main menu interface, Click the button to select "Brightness", Press the power button and hold
to adjust the backlight brightness.
b) Alarm setting
On the main menu interface, click the button to select "Alarm", Press the power button (1sec) to
enter the alarm setting interface as shown in Figure 6:
a. Adjusting the high and low limits of alarms
Click the button to select "Direction", then Press the button to choose Up or Down. (this will be the
direction the value of the high-low limits of SpO
2
and pulse rate will be adjusted)
To raise the SpO
2
and pulse rate limit, choose "Direction" as "up", then Click the button to highlight
the parameter to be adjusted: SpO
2
high limit (SpO
2
ALM HI), SpO
2
low limit (SpO
2
ALM LO),
Pulse rate high limit (PR ALM HI), Pulse rate low limit (PR ALM LO), Press the button and hold to
adjust the selected limit to the desired higher value and release the button once the higher limit has
been reached.
To lower the SpO
2
and pulse rate limit, choose "Direction" as "down", then Click the button to
choose the parameter to be adjusted. Press the button and hold to adjust the selected limit to the
desired lower value and release the button once the lower limit has been reached.
If the alarm function is on, the device will provide medium-priority alarm signal when the
data of SpO
2
or pulse rate is beyond the limit. Intermittent alarm will occur and the
measurement shows in yellow.
Medium priority indicating that prompt operator response is required.
b. The alarm state setting
Click the button to select "Alarm", then Press the button to choose alarm on or off, press "on" to turn
on the alarms and "off" to turn off the alarms.
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