Marantz Professional Stereo Recorder PMD570

Powers on.
Buttons respond and CF card is recognized, but I don't know how to use it, so please consider it junk.
It shows signs of use, but there are no major damages.

- Brand: marantz
- Type: Professional Audio Equipment
- Functions: Recording and playback
- Operation Buttons: Edit, Mark, Cancel buttons, etc.
- Slots: Media slot

Thank you for looking.