Cochlear Nucleus 7 User Manual page 41

Every month
• Check if earhooks or retention accessories are
becoming loose or showing signs of wear. Replace as
needed. See Change earhooks on page 30, or your
retention accessory's instructions.
• If you use disposable batteries, check if the battery
cover is becoming loose. If it is, replace the Cochlear
Battery Holder O-ring.
Every two months
• Replace the dry brick in your dry aid kit.
Every three months
• Replace the microphone cover–this is very important
for the quality of sound. See Change microphone cover
on page 44.
NUCLEUS 7 SOUND PROCESSOR USER GUIDE 39