Sony MFM-HT75W Operating Instructions Manual page 37

If "Cable Disconnected" appears on the screen
This indicates that the video signal cable has been disconnected
from the currently selected connector.
I N ORMA T I ON F DV I - D : P C 1
C a b l e D i s c o n n e c t e d
If "Power will be turned off by off timer soon."
appears on the screen
This indicates that the power provided to the display will be
turned off by off timer in 1 minute.
If "Power will be turned off by auto shut off soon."
appears on the screen
This indicates that the power provided to the display will be
turned off by auto shut off timer in 1 minute.
If "Feature Not Available" appears on the screen
This indicates that the function which you have attempted to
operate is not available.
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