ViewSonic VG1921wm-2, Service Manual

Page: 10 / 63

ViewSonic Corporation
Confidential - Do Not Copy
VG1921wm-2
7
29 1280 x 768 @
60 Hz, 47.8 KHz DMT;
30 1280 x 768 @
75 Hz, 60.3 KHz DMT;
31 1280 x 960 @
50 Hz, 49.4 KHz
32 1280 x 960 @
60 Hz, 59.7 KHz DMT
33 1280 x 960 @
75 Hz, 75.2 KHz
34 1280 x 1024 @
50 Hz, 52.7 KHz
35 1280 x 1024 @
60 Hz, 64 KHz DMT
36 1280 x 1024 @
75 Hz, 80 KHz DMT
37 1440 x 900 @
60 Hz 59.9 KHz DMT
Primary Presets
1440x900 @ 60Hz
User Presets
Number of User Presets (recognized timings) Available: 10 presets total in FIFO configuration
Changing Modes
●
Maximum Mode Change Blank Time for image stability: 3 seconds (Max), excluding “Auto Image Adjust” time.
●
Under DOS mode (640 x 350, 720 x 400 & 640 x 400), it should recall factory setting when execute “Auto Image
Adjust”.
The monitor needs to do “Auto Image Adjust” the first time when a new mode is detected. (See section “0-Touch™
Function Actions”)
6 FRONT PANEL CONTROLS AND INDICATORS
Front Panel Hardware Controls
Power Switch (Front Head) Power Control, soft Power Switch.
Power LED (Front Head)
Green – ON
Orange – Active Off
Dark = Soft Power Switch OFF
Front Panel Controls (Head)
[ ] [ 1 ] [ 2 ] [
▲ ] [ ▼ ]
[
;
X] Mute
[ ] Power
[ 1 ] Button 1
[ 2 ] Button 2
[
▲ ] Up arrow button
[ ▼ ] Down 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; refer to Appendix D)
[ ▼ ] Brightness adjust
[ ▲ ] Contrast adjust
[ ▼ ]+ [ ▲ ] recall both of Contrast and Brightness to default
[1] + [2] toggle 720x400 and 640x400 mode when input 720x400 or 640x400
mode
[1] + [ ▼ ] + [ ▲ ] White Balance. (Not shown on user’s guide)
[1] + [ ▼ ] Power Lock
[1] + [ ▲ ] OSD Lock
[1] + [ ▼ ] + [2] Disable Theft Defence function
[ ▲ ]+ [ ] + Main Power On All reset
No [ ] + [2]
+ Main Power on
Burning mode