11
TOOLS for SCHOOLS by Advanced Bionics HARMONY® SOUND PROCESSOR Product Guide
Completing a Microphone Check
To test the internal Microphone of Harmony, you will need a Direct Connect Earhook,
Direct Connect Cable and Microphone Test Earphones.
You should perform a microphone test when the Processor is new, to establish a
baseline from which to monitor the internal Microphone for any sound-quality
issues. The microphone test only assesses the internal Microphone of the Processor
and will not provide information about the Headpiece Cable or T-Mic.
Procedures
To assess the Microphone, you will need an empty program slot on the Harmony
Processor. Speak with the child’s family or audiologist to determine which program
slot is empty. Harmony’s built-in LED will illuminate GREEN steadily when an empty
program slot is selected, indicating that the Processor is ready for testing the built-in
Microphone.
1. Remove the Harmony Processor from the child. You will not hear any sound and
will not be able to monitor the Microphone if the child is wearing the Processor.
2. Connect the Direct Connect Earhook and Direct Connect
™
Cable to Harmony.
3. Insert the Microphone Test Earphones into the input jack on the Direct Connect
Cable.
4. Place the Microphone Test Earphones on your ears.
5. Turn on the Processor (attach battery) and select the microphone test position
(empty program slot), using the program control switch.
6. Monitor the sound output from the Processor as you speak clearly into the
Microphone. Sounds and speech should be clear but amplified.
Troubleshooting
If you suspect a problem with the child’s cochlear implant equipment, we recom-
mend that you verify the following items before proceeding to the Troubleshooting
chart located below:
1. Make sure the child’s Processor is set to his/her user settings.
• Is the battery in place and were there three (3) to four (4) ORANGE blinks
from the LED following placement?
• Is the Volume Control in the correct position? As a reminder, the Volume
Control should be in the 12 o’ clock position unless otherwise instructed by
the child’s programming audiologist.
2. Visually inspect the child’s equipment.
• Is the Cable twisted, frayed or broken?
• Is the Headpiece cracked?
Recommended Troubleshooting Equipment:
1. HiRes 90K
®
Auria
®
Headpiece and Cable
2. Auria PowerCel
®
Charger
Harmony with Direct Connect
™
Earhook
and Microphone Test Earphones
HiRes 90K
®
Auria Headpiece and Cable
PowerCel
®
Battery Charger
(17 pages)
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