Frye FONIX FP40D - Manual (Page 68)

60 FONIX FP40 Portable Hearing Aid Analyzer
• Set the aid for the widest frequency response range.
• Set AGC aids to achieve greatest possible compression.
• Make sure the gain control of the aid is full-on.
Follow the instructions from Section 3.3 to set up the aid in the test box for testing.
4.2.2 Setting up the analyzer for testing
To enter the ANSI 96 screen:
1. From the Main Coupler Screen, look at the FP40’s display above the F4 function key. If it says
“AN96,” skip to step 6.
2. Press F1 – Menu.
3. Use the AMPLITUDE and FREQUENCY knobs to select MAIN F4 under FUNCTION KEY
DEFIN.
4. Press START/STOP to choose AN96. This will let you use the F4 function key to enter the
ANSI 96 screen from the Main Coupler Screen.
5. Press F1 to return to the Main Coupler Screen.
6. Press F4 to enter the ANSI 96 screen.
To change the ANSI 96 settings:
1. From the ANSI 96 screen, press F1 to enter the General Setup Menu.
2. Use the AMPLITUDE and FREQUENCY knobs to select MENU TYPE.
3. Press START/STOP to choose PARTIAL. The menu will now only display the selections appli-
cable to ANSI 96.
4. Use the AMPLITUDE and FREQUENCY knobs in conjunction with the START/STOP button
to choose the settings for NOISE REDUC, SETTL. TIME, and AVG FREQS under PURETONE
SETTINGS. These settings are explained in Section 2.4.1.
5. Use the AMPLITUDE and FREQUENCY knobs in conjunction with the START/STOP button to
select whether or not you will use the REFERENCE MIC for testing. We generally recommend
selecting OFF. See Section 3.4.9.
6. Use the AMPLITUDE and FREQUENCY knobs in conjunction with the START/STOP button to
select the type of battery pill used in the measurement. This is used in testing battery current
drain.
7. Press F1 to return to the ANSI 96 screen.
8. Press F2 to choose the type of aid you are testing. The selections are AGC, ADAPTIVE AGC,
LINEAR 50, LINEAR 60.
• Choose LINEAR 60 for most linear aids.
• Choose LINEAR 50 for high-gain aids.
• Choose AGC for most AGC aids.
• Choose ADAPTIVE AGC if the aid has adaptive release times.