Crane AU7-PF-23GA Manual Del Usuario página 84

Troubleshooting
Fault
The pulse display is not
working properly.
The display has fro-
zen or shows irregular
characters.
The display indicator is
weak.
84
Cause/solution
Your pulse is less than 40 beats
per minute.
Your heart is only emitting
weak signals.
The microprocessor must be
reset. Take the battery out
and put it back in. See chapter
"Changing battery".
Insert a new battery as de-
scribed in the chapter "Chang-
ing the battery".