On/Off; Battery - Phonak B90 User Manual

4. On/Off

The battery door is also the on/off switch.
1
Closed battery door =
hearing aid is on
2
Opened battery door =
hearing aid is off
When you switch on the hearing aid you may hear
a start-up melody.
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5. Battery

1 2
Remove the Open the
sticker from the battery door.
new battery
and wait two
minutes.
If it is difficult to close the battery door: Check that
the battery is inserted correctly and the "+" symbol
is facing upwards. If the battery is not inserted
correctly, the hearing aid will not work and the
battery door can be damaged.
Low power: You will hear two beeps when the battery
is low. You will have approximately 30 minutes to
change the battery (this can vary, depending on the
hearing aid settings and battery). We recommend that
you always have a new battery on hand.
3
Place battery in the
battery door with the
"+" symbol facing
upwards.
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