oximeter. The controls are activated by pressing the button that
corresponds to that control. For example, press the Alarm Silence
button to control the audio alarm.
Figure 2-4 Front Panel buttons
On/Off Button
Turn on or off the oximeter.
On: Press and hold the On/Off button for one second.
Off: Press and hold the On/Off button for two seconds.
When the oximeter is off, synchronously press the On/Off button
and the Function button for one second, the oximeter will enter
Data transfer state.
In the menu state, press this button to return to the measurement
state.
Backlight Button
During the POST, the backlight is not available.
In the normal measurement, press this button to turn on or off the
backlight.
Alarm Silence Button
Alarms that occur during the POST can not be silenced.
When Alarm System in menu is setup to ON, pressing the Alarm
Silence button can turn off the audio alarm. The pause period can
be set to 30, 60, 90 or 120 seconds. Although the audio alarm is
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