3. Do not overtwist the tool;
stop when you feel a slight
resistance (about 1 rotation) or
you could damage the audio
filter.
Pull the used audio filter out.
4. So you can reuse the audio
filter, insert it in an empty slot
in the audio filter box; turn and
remove the changing tool.
Dispose of any soiled or
damaged audio filters.
5. Proceed with placing a new
audio filter in the earphones.
Make sure that the audio filter is
sitting in the dispenser with the
open side facing upwards.
6. Press the "flat end" of the
changing tool into the filter ring
and pull out vertically.
7. Push the new audio filter into
the sound tube of your
earphones. Tip the changing
tool sideways to release it.
