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In the default configuration, only a basic audio path is configured. The front microphone input is enabled but the
preamplifier gain is set to 0 dB. All advanced features are disabled. At this point, no audio signal is observed at the
device output.
To generate an audio signal, follow these steps:
1.
Select the Acoustic Indicators tab in the Control Panel window.
2.
On the Global Settings panel, select Enabled from the Acoustic Indicators Enable drop-down menu.
3.
Select the Volume Up panel, and select Indicator. This causes more indicator settings to appear.
4.
Select Tone Sequence as the Indicator Type.
5.
Select Output Referred as the Insertion Point.
6.
Select an Amplitude of 33%.
7.
Slide the Tone 1 Duration slider to 500 ms. Figure 13, below, shows the correct settings.
Figure 13. Enabling the Acoustic Indicator
8.
Write or burn the settings to the device by selecting either Write to RAM or Burn to NVM under the
Programmer menu.
9.
Once the write or burn has completed, click the Play Indicator button to hear the tone.
If you can hear an audio signal from your device, then your system has been configured correctly. You can now use
a similar procedure to modify other device parameters. For full details on the various features, refer to the Ezairo 7111
Firmware Bundle User's Guide.
ON Semiconductor Confidential
www.onsemi.com
17
ON Semiconductor
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