Key Inhibit Menu; Troubleshooting - Sony LPM-770BP Operating Instructions Manual

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The image is scaled horizontally to display in an aspect
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KEY INHIBIT menu

KEY INHIBIT
K E Y I N H I B I T :
You can lock the setting so that they cannot be changed
by an unauthorized user.
Select OFF or ON.
If you set to ON, all items are displayed in black,
indicating the items are locked.
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Screen frame
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Troubleshooting

This section may help you isolate the cause of a problem
and as a result, eliminate the need to contact technical
support.
• The unit cannot be operated t The key protection
function works. Set the KEY INHIBIT setting to OFF
in the KEY INHIBIT menu.
Or, a function that does not work is assigned. Press the
RETURN button to check the assigned functions.
• The black bars appear at the upper and lower
positions of the display t When the signal aspect
ratio is different from that of the panel, the black bars
appear. This is not a failure of the unit.
• Adjustments and settings cannot be made t
Adjustments and settings may not be possible
depending on the input signals and the status of the
unit. See "Input Signals and Adjustable/Setting Items"
(page 9).
• The HDMI input signal display is slow t This is
the specification of the hardware. It is not a
malfunction.
21-GB
Troubleshooting