212
Appendix
Appendix
Can’t read or write USB memory
●
The USB memory is not formatted
●
The USB memory is formatted as other than FAT (e.g., NTFS or
HFS)
●
The USB memory does not have sufficient free space
Can’t control an external device
●
The settings of the external device are incorrect.
●
The external device is not connected correctly.
●
The cable is broken.
●
The MIDI OUT setting is set to THRU.
●
The RS-232C baud rate is not set correctly.
●
The M-400 is not set to transmit messages.
Can’t control the M-400 from an
external device
●
The settings of the external device are incorrect.
●
The external device is not connected correctly.
●
The cable is broken.
●
The RS-232C baud rate is not set correctly.
●
The M-400 is not set to receive messages.
Insufficient volume from a device
connected to the output jacks
●
You’re using a cable that contains a built-in resistor.
Data disappeared from USB memory
●
You switched off the power or disconnected the USB memory
while writing or reading USB memory.
Settings don’t change when you
recall a scene
●
The recall is being filtered by the RECALL PARAMETER and
GLOBAL SCOPE settings.
The REAC A port, REAC B port, and SPLIT/BACKUP port provide
a REAC indicator that shows the REAC communications status.
The following table shows the meaning of the REAC indicator status.
If REAC connection is unsuccessful, check the following points.
•
Make sure that all REAC devices are powered on.
•
Check the Cat5e cable connections.
•
Make sure that the Cat5e cables are not damaged.
•
Verify that you’re using the appropriate type of cables. (See
•
If you’re using a switching hub, is it operating?
•
If you’re using a switching hub, is it connected correctly?
•
If you’re using a switching hub, does it have the correct
specifications? (See “Requirements for switching hubs”
Remote
Other
REAC indicator
Status
Meaning
Lit
REAC communication is established
Blinking
REAC communication is taking place
Unlit
No communication
M-400_v15_e.book 212 ページ 2008年6月20日 金曜日 午後4時5分