User's Manual

Product Specification
Page6
LT55BN93L Ver.03
5. Keyboard Operations Guide
a. Auto configuration (VGA input only valid)
When monitor connected to the VGA signal and power on, it will automatically
adjust the image to the optimum image center / magnitude / phase and so on. If the
center of the image and the magnitude is not the best, press the "Auto" key, the monitor
will automatically adjust the image again.
b. Auto color management (VGA input only valid)
When replacing the VGA signal source, VGA tricolor input reference level
changes. Then monitor need to automatic color correction. When the image is black and
white content, press the "Menu" key three times.
c. Contrast adjustment (if no necessary, it is recommended not to adjust)
Press "Menu" key twice, followed by press "left / down" key twice, press the
"Menu" key once, the OSD of contrast bar will turn yellow background, then press the
"right / up" key can be added big contrast value, press the "left / down" key to decrease
the contrast value. After adjustment, press the "Auto" key three times to exit the menu
(Or automatically exit after 10 seconds).
d. Brightness adjustment
Press "Menu" key twice, followed by press "left / down" key once, press the
"Menu" key once, the OSD of brightness bar will turn yellow background, then press
the "right / up" key can be added big contrast value, press the "left / down" key to
decrease the contrast value. After adjustment, press the "Auto" key three times to exit
the menu (Or automatically exit after 10 seconds).
e. Status Indicator
Key board has an LED indicator shows working status，the indicator has three
states:
LED is red-------------No signal input or signal frequency is out of range
LED is green----------
The monitor is working properly
LED is dark------------ Shutdown or no power supply
f. Power on/of
Control Key
LED Indicator
Serial Number
FCC ID