Handheld monitor user’s manual
Chapter 1-3
Low level alarm: the lamp lights yellow without
flashing.
2. Display screen
3. Left button
Press this button to:
Enter the main menu under the monitoring screen.
Select the highlighted menu item under the menu
screen.
Freeze/Unfreeze the ECG waveform under the
ECG waveform display screen.
4. Right button
Press this button to:
Change the screen display among Big Numerics
mode, SpO
2
waveform mode and ECG waveform
mode under the monitoring screen.
Exit current menu under the menu screen.
5. Alarm pause button
It’s invalid to press this button when the alarm
volume is off.
It can pause the alarm for 120s when the alarm
volume is on.
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