10 11Hearing aids with custom shells1. Hold the custom shellbetween your thumb andindex finger. The openingshould be pointing intowards your ear canalwith the hearing aidresting above your ear.2. Carefully insert thecustom shell into yourear. The shell should fitinto your ear snugly andcomfortably.3. Place the hearing aid overthe top of your ear.1.2.3.Turning your hearing aids on and offYour hearing aids have a three-position batterydoor that acts as an on/off switch and thatallows access to the battery compartment.1. On: Close the battery doorfully.Note: It may take five secondsbefore the hearing aid turnson. Your hearing healthcareprofessional can increase thestart up delay if required.2. Off: Partially open thebattery door.3. Open: Fully open the batterydoor to access and changethe battery.Note: When turning yourhearing aid on and off while itis on the ear, grasp the top andbottom of the hearing aid withyour index finger and thumb.Use the index finger of youropposite hand to open andclose the battery door.1.1.2.3.