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OSD and Power button lock
Controls user access to adjustments.
The default setting of OSD lock is set to unlock.
To enter OSD lock menu: Hold the Exit key (button 4) for 4 seconds to display
OSD lock menu (when OSD unlocked), A OSD lock menu appears and is shown on
center of display screen for 4 seconds.
Select Option:
To enter OSD unlock menu: Hold the Exit key (button 4) for 4 seconds to display
OSD lock menu (when OSD locked), A OSD unlock menu appears and is shown on
center of display screen for 4 seconds.
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2
3
4
5
Dell 55 Monitor
Dell 55 Monitor
Select Option:
U
U
U
U
U
U
Up
p
p
D
Down
D
D
D
D
D
o
o
w
w
w
w
w
w
w
w
w
w
w
w
w
n
n
n
n
n
n
n
n
n
M e
M
M
M
Menu
M
M
e
e
n
n
n
n
n
n
n
n
n
u
u
u
u
u
u
u
u
u
u
u
Exit
E
E
E
E
E
E
xi
i
t
t
t
t
t
t
P
P
P
P
P
P
Power
ow
w
w
w
w
w
w
w
w
w
w
e
e
e
e
e
e
e
e
e
e
e
e
r
+
P5524Q
Operating the monitor
P5524Q
49
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