Viatom Checkme O2 Benutzerhandbuch Seite 10

2.4.1 How to find the Serial Number？
1
）Detach the main unit from wristband.
2）Flip the main unit over, the series number is printed on the label of
product.
Note:The serial number (SN) is on the back of the device
2.5 How to synchronize the time of the device
The time of the Checkme O2 will be automatically synchronized with the
network time on your smart device after connected with the app.
Note: Refer to the operation guide in ViHealth app for more details.
2.6 Operation Mode Navigation
The device has two operation modes: Sleep Mode and Monitor Mode.
Turn on the device, during the icon blinking, press the button to switch
between two modes.
Parameters
Screen
The Sensor
Vibrates
Sleep Mode
SpO , PR, Motion
2
Activated by button
When SpO is lower
2
than threshold set
8
Monitor Mode
SpO , PR, Steps
2
Always on
When SpO is lower than
2
threshold set；