Yamaha DME4io-ES Service Manual page 61

3-7. USB MIDI Test (NO. 07)
Contents: After initializing USB, loops back output data in software with an external PC and automatically checks for
normality.
Preparations: Connect the USB connector of the DME Satellite with external PC via a USB cable.
Initial Setting of USB-MIDI Driver
After double-clicking the "USB-MIDI Driver" in "Control Panel" on the PC screen to start the USB-MIDI
driver, set the followings.
Note
Due to the specifi cation of the USB driver on the PC, the THRU function of the driver (echo back by PC USB MIDI
Driver) is not enabled for OS Windows 2000/XP or over if the MIDI patch bay screen in the control panel is not
opened.
Example of Executing Screen
*** 07. USB MIDI
OK!
NG: DATA ERROR.!
EXIT:[ENTER]
Messages
• No USB cable connection detected:
• Host USB driver stopped:
• Host USB initialization request detected:
• USB-MIDI IN data incorrect:
Troubleshooting
Check the signals connected to the following terminals in case of NG.
USB1_P (226Pin), USB1_M (227Pin), UCLK (219Pin) of CPU (CPU circuit board: IC002)
※This window is displayed when the USB has become invalid
once in USB initialization of DME Satellite (in case a USB
cable is disconnected, for example). Press [OK] to finish the
operation, and then start the USB-MIDI driver again.
[USB-MIDI Driver Setting Screen]
***
NG: USB CABLE OFF!
NG: USB DRIVER!
NG: USB MIDI IN INIT!
NG: DATA ERROR!
DME4io-ES/DME8i-ES/DME8o-ES
(1) Check "Thru ON/OFF" following
the startup.
(2) Clicking this
USB-MIDI to THRU.
Then, click the [ENTER] key
of the PC.
Indicated in case of OK
Indicated in case of NG
(1-1) sets the
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