Omron BP9310T Instruction Manual page 38

About a wireless communication interference
This product operates in an unlicensed ISM band at 2.4 GHz. In the event
this product is used near other wireless devices such as microwave and
wireless LAN, which operate on the same frequency band as this product,
there is a possibility that interference may occur.
If interference occurs, stop the operation of the other devices or relocate
this product away from other wireless devices before attempting to use it.
Pictogram on the Product
or
Types of marks used to indicate the correct positioning
of the artery for the upper arm
Identifies the type of cuff that is compatible with the
blood pressure monitor
38