BIOTRONIK CardioMessenger Smart Manuel Technique page 96

94
First Steps
However, if the bedside table is made of metal,
you should not place the CardioMessenger
directly on the table. For example, place the
CardioMessenger on a stack of books to
establish a distance of approximately 5 cm
(2 inches) between the two so that the metal does
not interfere with the device's data reception.
If you want to use the CardioMessenger in mobile
operation, we recommend that you make a habit
of charging it every night on the bedside table.
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