Nlynx ETU400 - Manual (Page 252)

ETU400 User Guide 011603 E-14
PROBLEM
"USR9988 ETU encountered information not identified as part of an ETU process." This is sort
of a catchall for ETU problems not previously identified and clarified.
CAUSE:
Trying to type during a transfer.
SOLUTION:
Do not key inside the emulation screen during a transfer.
Do not press <Enter> on the message regarding the number of day’s left.
CAUSE:
This could happen if the disk just got full.
SOLUTION:
Check the disk space on the PC.