Fujitsu FD-1008AT User Manual page 41

Symptom
Cascaded
connections are not
recognized.
The OSD display
flashes at 5-second
cycles.
Cause
A problem has occurred at the
switcher.
No image (H/V Sync) signal from
server (suspended state)
Action
Press the reset switch.
(Both the slave and the master)
Input image (H/V Sync) signal.
Or, switch to server having an
image (H/V Sync) signal.
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