Actually, I was looking for this information for 3 years!...now thanks to you, the manual is on my hands and of great help, cause I understand now where I was doing wrong connections and wires...excellent, I'll be back to you if in need, thank you.
This manual covers the main equipment features only. While it also includes the procedure for saving and loading from the now long obsolete memory cards it does not mention the how to operate with the optional floppy drive interface so I am still at a loss about how to use this! Note that there is a separate manual covering the MIDI interface and programming via the keyboard, not included in this download. You will also need to get hold of this if you want to use the MIDI interface properly. Basically there is little difference between this manual and the free to download manual for the similar PR60 model.
Good list of manuals. I found a very rare one and easily get. Should be promptly to download, as we must to wait hours even after confirmed payment.
Text excerpt from page 5 (click to view)
Using the headphones (D-EG7 only)
Neckband Ear
Using the hand strap (D-EG5 and D-EG5CK)
Attach the hand strap to one of the attaching parts on the CD player. For the ways to attach or detach, see �Using the carry strap� below.
Getting started
Earpad
Put your ear between the neckband and earpad.
Using the carry strap (D-EG3 and D-EG7)
You can enjoy various attaching options using 4 attaching parts on the CD player.