Phonak guide-U User Manual page 71

Operating
conditions
Transportation
and storage
conditions
These products have been designed for trouble-
free operation without restrictions when used
as intended, unless otherwise stated in this
user guide.
Temperature should not exceed limits of
–20°/60° Celsius at a relative air humidity
of 65% for extended periods during
transportation and storage. Air pressure
between 500 and 1100 hPa is not detrimental
to these devices.
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71