Sona vogue micro 300, User Manual, Page: 15 / 24

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Step 6: Switching off your sona:vogue micro
You can turn off your sona:vogue micro by opening the
battery door.
Step 7: Replacing the battery
If the battery needs to be replaced, sona:vogue micro
will play an acoustic signal (two beeps, each 1 second
long). This signal is repeated until the battery is
completely empty. The duration between the first
warning signal and the end of operation can vary.
Therefore, we suggest that you replace the old battery
immediately after the first warning signal.