BenQ VM2221 - Page 99

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10. test in the factory
area
PC or Pattern
Generator
Opposite white checks
screen 1697
1280*800/60Hz
1997 1440*900/60Hz
2297/2097
1680*1050/60Hz
1. In User area, press CH▼ Key and
Power Key, then press CH▲ Key and
Power Key, then enter into factory
area.
2.
Using the remote control to
pressSOURCE+62580，also can enter
factory area
3. confirm OSD picture whether display
in right below
**97-*I1
*********
date*** edition***”
11. Speaker function
examination
PC or Pattern
Generator
1. Press VOL▲▼Key to VOLUME .
2.Adjust ▲▼Key to examine whether
controlled value.
3. Check if the volume out of true.
12. remote control
function testing
1. PC or Pattern
Generator
2. TV Signal
Generator
3. DVD or VCD
4. VG-848
5. FLUKE 54200
1. Check if in any mode ,each function is
normal.
13. DDC function
checking
PC or Pattern
Generator
D620 DDC Test Card 1. DDC Tester direct through signal line
to get into machine EEPROM to
save and take data.
2. to confirm data whether is right
14. CR value
adjustment
PC or Pattern
Generator
1. Make BRIGHTNESS and CONTAST
shift to the mix and black picture，to
measure the mix brightness.
2. Make BRIGHTNESS and CONTAST
shift to the mix and white picture，to
measure the mix brightness.
. 3. Also figure out that CR value