Lock/Unlock,Aging,Service/Factory Mode - HP L1940 Service Manual

8
HP L1940
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Front control panel
Auto Adjust
Menu -(Minus)
1 3
2
To Lock/Unlock OSD function
OSD LockThe OSD can be enabled or disabled by pressing and
holding the Menu button on the front panel for 10 seconds. If the
OSD is locked, the warning message "OSD Lock" displays for
ten seconds.
If the OSD is locked, press and hold the Menu button for 10
seconds to unlock the OSD.
If the OSD is unlocked, press and hold the Menu button for 10
seconds to lock the OSD.
AGING MODE
No signal input ,power off -> on ,then Into the factory mode, , a full
white pattern will be display on the screen as Fig.1&Fig.2 in stead of
power saving mode. In other words, the power saving function will be
disable in the factory mode.Supply one signal for leaving aging mode.
Fig.1
SERVICE MODE
Press and hold the "Menu"
Into the service mode. Press "Menu" button to bring up OSD
menu for confirmation as below:
Lock/Unlock,Aging, Service/Factory Mode
+ (Plus) Power
5
4
Fig.2
button ,power off -> on"Power" ,then
Access Factory Mode
1). Turn off monitor.
2). [Push "Auto Adjust " and
" +(plus)"and hold them at the same
time ] + [Press power "Power "
button untill comes out "Windows
screen"] => then release all button,
then press "Menu" button, wait until
the OSD menu with Characters "F"
(right OSD menu) come on the
Screen of the monitor
Factory menu
Cursor can move on gray color area
BL : Blacklevel value
SUB-BRI : Brightness value range(Min Max)
SUB-CON : Contrast value range(Min Mid Max)
SRGB-B : Brightness of sRGB(Reserved)
SRGB-C : Contrast of sRGB(Reserved)
AUTO-SUB: To do Auto color function when
push "Up" key in white pattern
Panel Type: If set this to 1,2,3,4,5 then system
will force panel type to LG(QDI), CPT orAU).
Set to other value will auto detect panel based on
panel hardware.
SCALER : Read/Write scaler register
NVRAM : Read/Write eeprom address