HP L1950 User Manual

19" LCD Color Monitor HP L1950
17
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 L1950 Specifications

General

3D	No
HD type	-
Panel type	TFT
Display surface	Matt
Display diagonal	19 \
Display resolution	1280 x 1024 pixels
Display technology	LCD
Vertical scan range	50 - 77 Hz
Horizontal scan range	24 - 83 kHz
Contrast ratio (typical)	800:1
Viewing angle, horizontal	160 °
Display brightness (typical)	300 cd/m²
Supported graphics resolutions	640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 832 x 624, 1024 x 768 (XGA), 1152 x 870
Plug and Play	Yes
Tilt angle range	-5 - 35 °
Active display area (W x H)	378 x 303 mm
AC input voltage	90 - 256 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	2 W
Power consumption (typical)	30 W
USB hub version	2.0
HDMI ports quantity	0
USB Type-A downstream ports quantity	2
Product color	Silver
Country of origin	China

Weight and Dimensions

Bezel width (top)	18 mm
Depth (with stand)	301 mm
Height (with stand)	503 mm
Weight (with stand)	7400 g
Bezel width (bottom)	27 mm
Depth (without stand)	58 mm
Width (without stand)	414 mm
Height (without stand)	347 mm
Weight (without stand)	6500 g