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Stage 1: High Frequency Compensation
High Frequency Compensation will be suggested by the driver when
measurements in this section indicate metal in the surrounding
environment impacts the hearing loop’s signal quality.
1. Select “Yes” when prompted by the following screen:
2. The driver will begin outputting a pink noise signal at a low level
(1A on peaks) to allow accurate setup. The following screen will be
displayed, with a symbol on the top right indicating “Signal On”:
3. Note the hearing loop’s field strength at 100Hz, 1KHz, and 5KHz
using the Contacta Field Strength Meter (IL-CONTACTA-FSM) set at
the 3rd octave band pass setting.
Once completed, select “Continue” on the display to turn off the
signal.
4. Enter the three levels into the hearing loop driver. The “Backspace”
button will become a “Continue” button when the correct number
of digits have been entered for each value:
5. When the three levels have been entered, one of following options
will be displayed (see next page):
