5-11
3. Electrical Inspection
3.1 Function switch check
1. Input VESA 1280x1024 (75Hz) pattern “Crosshatch”.
2. Image should appear within 4 seconds after Switch ON.
3. LED is green.
4. On-screen noise should not appear while the Switch is turned On or turn OFF.
5. OSM should be displayed by pushing the “Select” button.
6. Brightness short cut OSM should be indicated by push “-” button.
7. Contrast short cut OSM should be indicated by push “+” button.
8. Audio Volume short cut OSM should be indicated by push “+” button.
9. Auto Adjust short cut should be indicated by push “Auto/Reset” button.
10. While “-“ or “+” button is pushed, the value should change smooth and it should not be appeared noise.
11. Check the OSM off when push the “Select” switch with “EXIT” icon highlighted.
3.2 Frequency change
1. Change the preset timing.
2. Check the picture and the time when freq. change (less 5 sec)
3.3 Performance Check
1. Input VESA 1280x1024 (75Hz) pattern “RGB 256 GRAY SCALE” PATTERN.
2. Press “Select” button.
3. Press “-“ or “+” and select AUTO CONTRAST menu.
4. Press “Select” button, and proceed Auto contrast function.
5. Check the color gray scale smooth and that data lost.
3.4 Check Power Manage Function
Monitor should enter to power saving mode if the following condition occurs.
Mode Horizontal Vertical Power Supply Input Timing Power Consumption
On ON ON 240Vac VESA 1280x1024 (75Hz) 45W
Stand-by OFF ON 240Vac VESA 1280x1024 (75Hz) 3W
Suspend ON OFF 240Vac VESA 1280x1024 (75Hz) 3W
Off OFF OFF 240Vac VESA 1280x1024 (75Hz) 3W
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