By default, the Olympus DS-2400 recorder records in a new .ds2 format. By replacing the firmware on the recorder, it can be configured to record in .dss format. Below are the steps:
- Download and unzip following Olympus firmware file.
- Connect the DS-2400/2500 to the computer.
- Close DSS Player software if it opens.
- Run the DS-2400_FirmwareUpdate_DSSClassic.exe from the downloaded files.
- Follow the prompts.
To verify that you have installed this correctly, check the DS2400 menu on the recorder and verify that it is version 1.02c.
For DS-2500, use this firmware file.