EXFO LTK-1 User Manual page 255

The size of the WIM will depend on the disk space that is currently
used on your unit.
To avoid problems, always use a USB key with an NTFS file system,
and a minimum of 16 GB of free disk space.
To create a WIM file for your unit:
1. From the task bar, tap the Start button (
2. Tap Update & security.
LTB-1
Restoring Your Unit to Normal Operation
I
MPORTANT
Troubleshooting
), and then Settings ( ).
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