BH FITNESS H872N Manual Del Usuario página 54

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
54
motors,
transformers
noise which
or extra
LED
switches,
may
pulses