Service manual

Recoding Process :
Choose a correct mode name
Press [Caps Lock]then key in the bar code number STHTAA00001,
And then Press [Enter].
The screen shows a green color sentence "Receive DDC Data OK"
Be sure both the bar code number and DDC2 data are correct.
After set power off --on, press[F5]to make sure the DDC1
and bar code number are correct.
Checking Process :
After SET ON ,Press [F5]then verify DDC1 data .Press[F6] to
verify DDC2 data .During checking
process ,either DDC1 orDDC2 should appear a green color sentence
"Receive DDC Data OK", and which will be disappeared after 10 second
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ViewSonic Corporation
13
Confidential – Do Not Copy
VG500b
The following is an example of DDC data :
DDC Data Received : STHTAA00001
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*DDC 0 1 2 3 4 5 6 7 8 9 A B C D E F
0000 00 FF FF FF FF FF FF 00 5A 63 0A B4 01 01 01 01
0010 1A 0C 01 03 08 1E 17 78 2A 9D 9E 99 58 4C 93 26
0020 21 4C 54 BF EE 00 61 40 01 01 01 01 01 01 01 01
0030 01 01 01 01 01 01 64 19 00 40 41 00 26 30 18 88
0040 36 00 30 E4 10 00 00 18 00 00 00 FF 00 31 31 50
0050 30 32 32 36 30 30 30 37 39 0A 00 00 00 FD 00 32
0060 4B 1E 3E 08 00 0A 20 20 20 20 20 20 00 00 00 FC
0070 00 56 47 35 30 30 62 0A 20 20 20 20 20 20 00 43