Service manual

ViewSonic Corporation Confidential - Do Not Copy VX2245wm-1
10
Changing Modes
Maximum Mode Change Blank Time for image stability : 5 seconds (Max), excluding “Auto Adjust” time
Under DOS mode (640 x 350, 720 x 400 & 640 x 400), it should recall factory setting when execute
“Auto Adjust”
The monitor needs to do “Auto Adjust” the first time a new mode is detected
(see section “0-Touch™ Function Actions”)
While running Change Mode, Auto Adjust or Memory Recall, the image shall blank
4-5 FRONT PANEL CONTROLS AND INDICATORS
Front Panel Hardware Controls
Power Switch (Front Head) Power Control, soft Power Switch.
Power LED (Front Head) Blue – ON
Orange – Active Off
Dark = Soft Power Switch OFF
Front Panel Controls (Head)
[ 1 ] [ 2 ] [
] [▼] [▲]
[ 1 ] Button 1
[ 2 ] Button 2
[
] Power
[▼] Down arrow button
[▲] UP ARROW BUTTON
Note: Power Button, Button 1 and Button 2 must be one-shot
logic operation. (i.e. there should be no cycling)
Reaction Time OSD must fully appear within 0.5s after pushing Button 1
Short Cuts Function from the button(s)
[1]
Main Menu
[2]
Input toggle (Analog or Digital)
[▼]
To immediately activate Brightness/Contrast menu.
[▼] +[▲]
Recall both of Contrast and Brightness to default
[1] + [2]
Toggle 720x400 and 640x400 mode when input 720x400 or 640x400
mode
[1] + [▼] + [▲]
(Keep pushing 3 sec)
White Balance. (Not shown on user’s guide)
[1] + [▼]
Power Lock
[1] + [▲]
OSD Lock
[▲]
Essential mode switch
Standard ->Text -> Cinema -> Game -> Portrait -> Scenery -> Vivid
[2] + [▲]
Skin tone switch
Nature -> Reddish -> yellowish
[▼] +[▲] + [ ]
Factory Mode
Remark : All the short cuts function are only available while OSD off
Main Menu Controls
Auto Image Adjust*
1
Contrast/Brightness*
2
*
4
Input Select
Analog, Digital
Audio Adjust
Volume*4, Mute*4
Color Adjust
SRGB, 9300K,7500K, 6500K(default), 5400,User Color [R, G, B]
Information [H Frequency, V Frequency, Resolution, Pixel Clock, Serial Number, Model Number,
[“www.ViewSonic.com
” ]
Manual Image Adjust
Horizontal Size*
1
, H/V. Position*
1
, Fine Tune*
1
, Sharpness*
3 ,
Opticolor [Standard, Text , Cinema, Game,
Portrait, Scenery, Vivid ]
,
Opticolor Skin Tone[Nature, reddish ,yellowish]
Setup Menu