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Use and Maintain  
ROSA Step-by-Step Guides 

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Power On/Off

  • Insert Battery to turn on/off

  • Open battery door carefully (do not go past 90°)

  • Orient battery so that flat side with orange tab is facing up

  • Remove tab, place battery on battery door with raised side in first. Gently close door

  • You can use the magnet at end of cleaning brush to pick up battery from flat side (no tab) and placing in holder. Battery should last for 3-5 days depending on hearing aid use

ON: Insert battery, close door  OFF: Open door, remove battery LOW BATTERY: Rapid beeps​

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Select Settings, Control Volume

  • Press and hold top of switch to go through different settings 

  1. Low volume, Low noise: Indoor, daily home activities, one-on-one conversations - ‘Quiet’

  2. Mid volume, Mid noise: Indoor group conversations, restaurants - ‘Group’ (Default)

  3. High volume, High noise: Outdoor situations such as traffic, outdoor events - ‘Noisy’

  4. High volume, No/Low noise: Listening to music when there is low background noise -  ‘TV’

  5. Telecoil: For use with phones and in places with hearing loops - ‘Phone’

  • Male voice prompts: Quiet (1), Group (2), Noisy (3), TV (4), Phone (5)  

  • Raise Volume: Press and quickly release top of switch Lower Volume: Press bottom of switch

  • Beeps indicate change in volume. Female voice prompts: Maximum and Minimum volumes

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Wear

  • Place hearing aid body behind ear with one hand -  eartube will be in front of ear

  • Use other hand to gently position eartip into earcanal so that eartube is flat on skin

  • Check for a snug fit - select a smaller eartip if it feels too tight, or larger if it feels loose

  • Pull top of ear to open up earcanal to help positioning eartip

  • If you wear glasses, place your hearing aid between stem of glasses and ear

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Select Eartip

  • Hold stem at end of eartube and gently twist out attached eartip

  • Select new eartip and twist to push in on stem

  • Tug it slightly and to ensure it does not come off

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Remove, Clean, Store after each use

  • Remove hearing aid by holding the eartube near your earcanal and gently pulling eartip out

  • Remove hearing aid body from behind your ear

  • Brush away earwax debris on outside, including any debris blocking microphone, with cleaning brush

  • Gently wipe all surfaces with cleaning cloth

  • Open battery door, remove battery, place open hearing aid and battery in storage case

  • Place open storage case in a cool, dry place and out of reach of young children and pets

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Change Waxguard

  • Remove eartip

  • Take the Waxguard stick and check (i) removal end - looks like a small hook or point and (ii) replacement end - has a new wax guard on it

  • Insert the removal end into the old waxguard

  • Gently pull it out. It should come out attached to the stick

  • Flip the stick and align replacement end with opening in hearing aid

  • Push in new guard firmly, then pull stick away

  • The new guard should stay in place

  • Attach eartip

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Wear earplugs in loud places

  • See FDA Caution that hearing aids do not provide hearing protection and earplugs should be worn in loud places

  • Curve right hand around back of head to pull left ear up and back

  • Use left hand to gently slide earplug into ear canal - rock plug back and forth to help

  • Push into place with finger on left hand

  • Repeat with opposite hands for right ear

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© 2025 Audition Technology

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