oticon Alta CIC Instruction Manual page 33

Press the push-button briefly to adjust the listening volume. Both instruments will
change volume and make a 'click' sound to give you an impression of volume level.
A double-beep indicates that you have reached the preferred volume level.
Note: Volume indications in your instruments may differ. See last page.
Press and hold the push-button for about 2 seconds to change program. Both instruments
will change program and beep. The number of beeps indicates which program you are
using (1 beep = program 1).
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