Siemens Pure - Manual (Page 23)

Maintenance and care
23
Exchanging the receiver unit
The receiver unit can be changed as needed by
your Hearing Care Professional. If you need to
replace the receiver unit by yourself follow these
directions carefully.
Turn receiver unit 45° counterclock-
wise.
Remove receiver unit.
Join hearing instrument and receiver
unit together.
Marks need to coincide.
Turn receiver unit 45° clockwise.