LENCO LBT-188 Guide D'utilisation page 17

If do not see the sound wave on the interface, when recording, please
adjust the line in volume as follows:
Specific Steps as follows:
1) Download "lame_enc.dll" file, and install it to the software list.
2) Open the "Audacity" software, click Main Menu, Select "edit",
"Parameter", "File Formats", and click the "Searcher".
3) After opened, it will come to the following menu, click "YES" to go to
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