HP LE1851w User Manual

18.5" LCD Color Monitor HP LE1851w
16
REMARK:
1) MCU initialize.
2) Is the EEprom blank?
3) Program the EEprom by default values.
4) Get the PWM value of brightness from EEprom.
5) Is the power key pressed?
6) Clear all global flags.
7) Are the AUTO and SELECT keys pressed?
8) Enter factory mode.
9) Save the power key status into EEprom.
Turn on the LED and set it to green color.
Scalar initialize.
10) In standby mode?
11) Update the lifetime of back light.
12) Check the analog port, are they’re any signals coming?
13) Does the scalar send out an interrupt request?
14) Wake up the scalar.
15) Are there any signals coming from analog port?
16) Display "No connection Check Signal Cable" message. And go into standby mode after the message
disappear.
17) Program the scalar to be able to show the coming mode.
18) Process the OSD display.
19) Read the keyboard. Is the power key pressed?

HP LE1851w Specifications

General

3D	No
Pixel pitch	0.3 x 0.3 mm
Aspect ratio	16:9
Display diagonal	18.5 \
Display resolution	1366 x 768 pixels
Viewing angle, vertical	160 °
Contrast ratio (typical)	1000:1
Display number of colors	-
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	720 x 400, 832 x 624, 1024 x 768 (XGA), 1280 x 720 (HD 720), 1360 x 768 (WXGA), 640 x 480 (VGA), 800 x 600 (SVGA)
Package depth	140 mm
Package width	512 mm
Package height	420 mm
Package weight	5100 g
Product color	Black
Country of origin	China
Market positioning	Business
Plug and Play	Yes
LED indicators	Power
Tilt angle range	-5 - 25 °
Panel mounting interface	100 x 100 mm
Storage temperature (T-T)	20 - 60 °C
Operating temperature (T-T)	5 - 35 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	20 - 80 %
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	1 W
Power consumption (standby)	2 W
Power consumption (typical)	31 W
Dimensions (W x D x H) (imperial)	17.6 x 2.3 x 10.6 \
DVI-D ports quantity	0

Weight and Dimensions

Depth (with stand)	190 mm
Height (with stand)	341 mm
Depth (without stand)	58 mm
Width (without stand)	446 mm
Height (without stand)	269 mm
Weight (without stand)	3800 g