Official comment
In EXPORT mode, only audio input from external equipment can be recorded.
Please check the followings:
・Is the version of rekordbox 4.2.1 or later?
・Is your computer connected to external equipment via a USB cable?
・Open [Preferences] > [Audio] > [Audio] to check external equipment is selected from the menu.
・Open [Preferences] > [Audio] > [Input channels] > [Input Record] to check external equipment is selected correctly from the menu.
→ When using a DJM as external equipment, click the [Setting Utility] to open the Setting Utility window. Select [MIXER OUTPUT] tab and select mixer audio output for each channel.
・Check if the volume of recording is zero or not?
Adjust the volume by turning the level knob while checking the level meters.
・Check if the disk has enough space to save the recorded files.
・Check if destination of the recorded files is correctly selected.
Open [Preferences] > [Advanced] > [Recordings] > [Recordings] and check [Location of Files].
