Bit Value Discrimination; Switch Check (1) - Sony DCR-TRV9 Service Manual
Digital video camera recorder
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Also See for DCR-TRV9:
- Operating instructions manual (96 pages) ,
- Service manual (69 pages) ,
- Operating instructions manual (91 pages)
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3. Bit value discrimination
Bit values must be discriminated using the display data of the
adjustment remote commander for following items. Use the table
below to discriminate if the bit value is "1" or "0".
Display on the adjustment remote commander
Page
Display on the
adjustment
bit3
remote
or
commander
bit7
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
A
8
1
9
1
A
1
A (
)
B (
b
)
1
C (
c
)
1
d
D (
)
1
B
E (
E
)
1
F
F (
)
1
Example: If "8E" is displayed on the adjustment remote commander, the
bit values for bit7 to bit4 are shown in the A column, and the
bit values for bit3 to bit0 are shown in the B column.
Address
bit3 to bit0 discrimination
bit7 to bit4 discrimination
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
4. Switch check (1)
Page 2
Bit
Function
0
VTR MODE SW
1
CAM MODE SW
2
START/STOP SW
3
EJECT SW
4
CC DOWN SW
5
PHOTO FREEZE SW
6
7
PHOTO REC SW
Using method:
1)
Select page: 2, address: 43.
2)
By discriminating the bit value of display data, the state of the
switches can be discriminated.
5-71
Address 43
When bit value=1
When bit value=0
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
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