PRECAUTIONS
29
ADJUSTING THE LCD DISPLAY
4.7 OSD Lock
Lock the OSD to protect from unauthorised users or accidentally touching the control buttons.
To lock the OSD, touch and hold the buttons (listed on the table below) for 5 seconds or until the
message appears. When the OSD is locked, all control buttons are inactivated.
Type of OSD Lock
Lock Operation
Unlock Operation
Lock all buttons
Touch and hold the
►
,
▲
,
▼
buttons
for 5 seconds.
Touch and hold the
►
,
▲
,
▼
buttons
until the OSD menu appears.
Lock all buttons except the Power
button
Touch and hold the
◄
,
▲
,
▼
buttons
for 5 seconds.
Touch and hold the
◄
,
▲
,
▼
buttons
until the OSD menu appears.
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