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10
Troubleshooting tips
Your NITRO Custom hearing instrument is an extremely
reliable device. Should a problem occur, it can usually be
corrected quickly. Use these troubleshooting tips to
resolve simple issues.
Problem
Sound is weak
or no sound
Instrument emits
whistling sound
Sound is
distorted
Instrument emits
signal tones
Instrument
does not work
16
Cause
Weak or dead battery
Instrument not turned on
Instrument clogged
Volume too low
Improper seating in ear
Clogged with wax or excessive wax in ears
Volume too high
Weak battery
Clogged with wax
Battery compartment not completely closed
Weak battery
Instrument is not turned on
Battery compartment not completely closed
Dead battery
Battery polarity reversed
Power-on delay is active
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