oticon Alta Instructions For Use Manual page 29

The push-button on your hearing instrument can be programmed to one of
3 functionalities.
Left Right
only program shift:
Short Press to change program.
only volume control: Short Press to adjust the volume.
Both volume control and program shift:
Short Press to adjust the volume and long press (about 2 seconds)
to shift program.
Binaural Coordination enabled (see "Using 2 instruments").
To be filled out by your Hearing Care Professional!
Using 2 instruments
If you have two instruments the push-button on one instrument will change the status
on both hearing instruments. This means when you adjust the program or volume for one
instrument, it automatically adjusts the other.
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