Phonak Dynamic SoundField User Manual page 42

During charging the LED flashes two short green
pulses every 5 seconds.
When charging is complete, the LED displays a
constant green light.
We recommend fully charging DynaMic. The
battery cannot be over-charged.
Battery status indication
DynaMic activates an automatic vibration alarm
when its battery level is low.
Approx. 1 hour before the battery is empty, the
DynaMic's LED displays 3 orange flashes, repeated
every 60 seconds, and the vibration alarm is
activated. This means its battery needs charging.
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