26 SONIC
Replace O-Cap filter
(hearing aids with size 312 and size
13 batteries)
1. Tool
Remove the tool from the
packaging. The tool has two
ends, one for removal and
one with the new O-Cap
filter.
New filter
2. Remove
Push the pointed end of the
tool into the existing O-Cap
filter and pull it out.
3. Insert
Insert the new O-Cap filter
using the other end of the
tool. Discard the tool after
use.