Affinity
2.0
Additional Information Page 221
Note: Preconditioning, Stimulus type, Start/Stop frequency, and Sweep delay are all greyed out for
REIG. This is because the REIG is a calculation and not a measurement (REAR/REAG –
REUR/REUG = REIG). The stimulus characteristics therefore are tied to the REUR settings. If other
stimulus settings are preferred these should be changed in the REUR/REUG test (see section
2.6.2.1). However, even though the REIG stimulus will default to the signal selected for the REUR, it
can, however, be changed from the front screen stimulus dropdown list.
3) Recording Method:
Resolution (of frequency): Select the preferred resolution in the dropdown. The higher the resolution
the slower the measurement.
Keep in mind that 1/3 is what is used in many hearing aid manufacturers software. If the curve is to
be compared to this you may consider choosing this resolution. Also note that when using a broad
band signal the dropdown list will be greyed out and automatically choose FFT. This makes the
distance between frequency bins 43 Hz which ensures precision in the measurement.
4) Colour:
Select a colour for the Right and Left curve (see section 2.6.2.1 regarding REUR/REUG for
details).
5) Multiple Curves:
The Multiple curves option, if configured, will run a series of concurrent differing intensity levels
when you press start in the test screen. Set the first level using the Input Level slider and press
Add under Multiple Curves. The level will then appear in the corresponding white section as the
Primary intensity. Select the second level and press Add again. The new level will then be listed
under the first one. If a level is selected by mistake click on it in the white section and press
Remove.
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