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80 The DSL/NAL-NL1 Module WinCHAP User’s Manual
You can change:
Output Conditions: Speech levels are used when testing with a broadband
signal such as Composite or Digital Speech. Pure tone should be selected
when measuring with a flat weighted pure-tone signal.
Scaling: Select the type of target value you want to display. REIG shows
real-ear insertion gain target values, REAG displays real-ear aided gain,
2-cc
coupler shows coupler target values, and Ear Simulator displays simulated
real-ear target values.
Test Frequency: Choose the frequency for which the target is displayed.
Amplitude: Select the input amplitude for the displayed target.
Click Back to NAL Curves to return to the NAL graphical display.
Figure 6.4.3—Curve parameters window display