Bedfont NOBreath, Руководство по эксплуатации

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12
NObreath
®
Operating Manual
English
If the unit fails to turn on properly, or if the
low battery symbol is showing, replace the
3 x AA alkaline batteries. Ensure that the
batteries are inserted correctly, matching
the symbols moulded into the plastic.
If the display shows after zeroing, a
second attempt can be made. Check that
the unit is in fresh air and touch to
restart the zero process. If, after a third
zeroing attempt, the display shows
again, the unit will have to be returned to
Bedfont or its distributor for investigation
and repair. In this case, the display shows
. The unit can be turned off by
holding the on/off button for three seconds
then releasing. It is possible to re-start the
unit and attempt the zeroing process again.
Troubleshooting