D-0126021-A
13
BTE (Behind The Ear)
Hearing Instruments
1.
Remove the earmold from the hearing
instrument.
2.
Attach the ear hook to the 20mm long Tygon
tube on BTE Coupler Adapter.
3.
Snap the BTE Coupler Adapter onto the 2cc
Coupler.
Battery Pills
•
If performing Battery Current test, place the battery pill in hearing
instrument. If not, place a new battery in the instrument or make sure
the instrument is properly charged.
•
Battery pills are used for ITE and BTE Instruments.
*Note: Battery Current can also be performed on its own after the
selected battery of tests are completed. Battery Current testing cannot
be done with rechargeable or body worn instruments.
Setting Up the Hearing
Instrument for HIT
Measurements
1.
Open manufacture’s hearing aid fitting software and connect
hearing aid.
2.
The hearing instrument should be set to Full-On Gain mode for
OSPL90 and Full-On Gain tests and then will need to be adjusted to
Reference Test Gain mode for Frequency Response, Equiv. Input
Noise, Harmonic Distortion, Battery Current, Input-Output, and
Attack/Release.
*Note: The location of each manufacture’s test box mode varies. If
necessary, please contact the hearing aid manufacturer to see
where this setting can be found in their fitting software. If test box
mode is not available, set to Real Ear Mode (REM) and increase
overall gain until hearing aid is at full-on gain.
