characteristics and operation of heart
so that transmitter detects several
beats instead of one beat.
e) Some people have a reversed ECG
signal compared to normal a ECG
signal possibly causing a transmitter
to send two pulses for each heart
beat. Please turn transmitter upside-
down.
f) Interferences. Electrical equipment
such
as
monitors,
displays,
cellular phones and etc. generate
electromagnetic
cause
missing
resulting in incorrect heart rate reading
14
motors,
transformers
noise
which
or
extra
LED
switches,
may
pulses