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D-0126050 rev 1 - 270+ Operating Manual
On the display ‘+’ will indicate that levels greater than 100dBHL can be used.
4.6.12. SPECIAL (SPECIAL TEST SELECTION)
Selecting the SPECIAL key enables the selection of the following special tests:
• Stenger Test
• Alternate Binaural Loudness Balance (ABLB)
• Short Increment Sensitivity Index (SISI)
• Master Hearing Aid (MHA)
• Hearing Loss Simulation (HLS)
• Decay Test (Carhart Test)
Select the NEXT (F2) or the Channel 1 rotary control to move through the different test options. To choose a
special test, select F3. After confirmation, the selected test screen will show. Select CANCEL (F4) or the
SPECIAL button again to leave the menu without changes.
Please note: Please refer to chapter 4.10 for how to use the special tests.
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