Sony GV-A500 Service Manual page 80

3. Bit value discrimination
Bit values must be discriminated using the display data of the
adjustment remote commander for the following items. Us the table
below to discriminate if the bit value is "1" or "0".
Display on the adjustment remote commander
Page
(Example)
If the remote commander display is "8E", bit value
from bit 7 to bit 4 can be discriminated from the
column A, and those from bit 3 to bit 0 from column
B.
4. Input/output selection check
Page 3 Address 16
Bit Function
0 Not S video terminal input
1 Not video terminal input
2 Audio terminal monaural
3
4
5
6
7
Using method:
1) Select page: 3, address: 16.
2) By discriminating the bit value of the display data, the state of
the input/output selection can be discriminated.
Address
bit3 to bit0 discrimination
bit7 to bit4 discrimination
When bit value = 1
Monaural
5-21
Display on the
adjustment bit3
remote or
commander bit7
0 0
1 0
0
2
3 0
0
4
5 0
6 0
7 0
A
8 1
9 1
A
A ( ) 1
b
B ( ) 1
C
C ( ) 1
d
D ( ) 1
B
E
E ( ) 1
F
F ( ) 1
When bit value = 0
S video terminal input
Video terminal input
Bit values
bit2 bit1 bit0
or or or
bit6 bit5 bit4
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1