Factory Mode - Philips SH4 HP L1740 Service Manual

HP L1740
12
Go to cover page
Front control panel
To Lock/Unlock OSD function
The OSD function can be locked by pressing MANU
more than 10 seconds, the screen shows following windows for 3
seconds. Everytime when you press MANU
button, this message Appears On the screen automatically.
" 5 "
The POWER & INPUT " 3 " hotkey are still functional for
POWER and INPUT expectively while OSD locked.
Locked OSD function can be released by pressing MANU
button for more than 10 seconds. While press MANU button for
OSD unlocked purpose, the screen will keep showing OSD LOCK
OUT until OSD function unlocked and the windows screen
automatically showed .
SERVICE MODE
Power off Press and hold the Manu
Into the service mode. Press Manu
menu for confirmation as below:
Lock/Unlock,Aging, Service/Factory Mode
" "
button for
2
" 2 " Or AUTO "1 "
" 2 "
Fig.1
Power
"2" -> on ,then
" 5 "
button to bring up OSD
" 2 "
Access Factory Mode
Power off on the monitor,
To hold Auto " 1 " And
+ " + " " 4 " buttons at the
same time ,
And press POWER
button to power on the monitor.
Press MANU button to
bring up OSD menu for
confirmation
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)
Gain-m : Minimum value of User Gain
Gain-M : Maximum value of User Gain
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 or AU). Set to other value will auto
detect panel based on panel hardware.
SCALER : Read/Write scaler register
NVRAM : Read/Write eeprom address
" "