Floppy Driver:
Interface: 34 pin floppy driver interface, 5V DC 4 pin power plug
Format of disk: Cylinders: 80 Tracks: 160 Sectors/Track: 9 Bytes/Sector: 512 Data
Transfer rate: 500 kbps 
Encoding method: MFM
Panel:
8 segment numbers: Represent partitions number
Green LED: Status of read and write operation
USB port: Connect USB flash drive
Button:
When no USB flash drive plugged on emulator:
Left button used to rise ten-digit, right button used to rise single-digit, press 2 button together to rise hundred-digit, when the hundred-digit is 'b', the image mode used.
When an USB flash drive plugged on emulator:
Left button used to transfer data from built-in memory into USB flash drive, right button used to transfer data from USB flash drive into built-in memory.
Firmware version of emulator:
Keep pressed 2 button together, power on, 8 segment numbers will display firmware version and data of emulator to detect different model.
Error Code:
E0: No specified file in USB flash drive
E16: Built-in memory fault
Jumper Setting:
J5: ---
JA: Set to generate READY signal on 34pin of floppy driver interface
JC: ---
JB: ---
S0: Driver select 0
S1: Driver select 1
MO: Motor

Specifications:
Model: SFRM72-FU-DL
Compatibility: Suitable for Yamaha Korg Roland Electric Organ with 720KB floppy drive
Voltage: 5V DC
Interface: USB port, 4 pin power plug, 34 pin plug
Housing material: ABS
Size (L x W x H): Approx. 122 x 102 x 25mm / 4.8 x 4.0 x 1.0inch 
Color: Gray (Shown as the picture)
Package weight: 98g

Package Included:
1 x USB Emulator