User's Manual

5
4.5 Start working
After the placement, press the side button for 2 seconds to
power on. There should be red light inside the soft wrap.
After a few seconds, readings will be displayed on the screen.
If the screen display “poor signal”, please check if the sensor
has been positioned and secured properly.
When the above symbol displays on device screen, it
indicates the readings is unavailable right now.
When at rest, there will be readings in a few seconds. If you
can’t get readings for a long time, it may be caused by:
 Improper sensor placement
 Frequent movement
 Foot is too cold
Notice:
 If the working time is less than 2 minutes, the data will
not be saved.
 Motion may cause readings unavailable. Readings
recover very soon at rest.
 Please avoid strong ambient light condition.