This advice can not only be followed by the user but also by the parents and teachers of the hypoacusis child:

• Protect the hearing-aid against external agents such as dust, humidity, excessive heat and cold, impacts and sprays
• change the battery according to the instructions given by the hearing-aid specialist
• make sure the batteries are correctly installed
• do not force them in the battery holder
• use the special battery tester to check the charge.
  Also, carefully follow these simple rules:
  

If the child tends to play with the potentiometer, the volume control can be blocked by means of special potentiometer covers, whereas in programmable appliances the volume can be electronically fixed: talk to your hearing-aid specialist.

Also, carefully follow these simple rules:

• Do not change the position of the switches or function buttons with respect to the hearing-aid specialist's instructions
• Every day, make sure that the earpiece sound hole is free; otherwise use the special cleaning kit
• Make sure that the in-the-ear hearing-aid sound hole is clean: otherwise use the special cleaning kit
• Every day, make sure that the plastic bend of the behind-the-ear hearing-aid is free; otherwise, use the special cleaning kit
• Make sure that the behind-the-ear hearing-aid plastic bend is not holed: If so, see your hearing-aid specialist for replacement
• Clean the earpiece and the appliance with the special cloth

To keep the earpiece in good hygienic condition, use specific cleaning products, according to the recommendations of your hearing-aid specialist.

In any case, it is a good rule to change the tube at least every three months and redo the earpiece at least once a year. Take care to correctly refit the earpiece, respecting the sides.

Carry out the following every day

• make sure the battery is charged,
• turn on the appliance provided with earpiece,
• turn the volume to maximum.
• place the appliance in the hollow of your hand: IT MUST WHISTLE