MA 25 Operating Manual
8
3.1. Function buttons
F1: MA 25 : Select the Right ear.
MA 25e : Toggle between right and left.
F2: MA 25 : Select the Left ear.
MA 25e : Store threshold.
F3: Pulse – Pulse Off: Manual tone presentation; Pulse On: Pulsing Tone will be presented when tone switch
is pressed.
F4: Warble - Warble off: Pure tones will be presented. Warble on: Warble tones will be presented.
3.2. MA 25e Special Functions
Talk Forward: On the MA 25e Talk Forward is activated by holding down the hearing level db rotary wheel.
While holding down the Talk button, the talk forward level can be adjusted.
The following F-key functionalities can be accessed by pressing the frequency rotary wheel:
F1: Delete all thresholds stored in the internal memory of the MA 25e.
F2: Store a Not Heard threshold point.
F3: Display the L/R thresholds stored in the internal memory of the MA 25e.
F4: Start the Hughson-Westlake (HW) automatic test procedure. Please refer to the next chapter for instructions about how to
setup the HW test.
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