6-46
9. Key input check
Operating procedure:
10. Key input check (A/D port)
• CF-44 board
Operating procedure:
Bit
Key Switch
Switch Condition
0
1
2
Cassette eject
“1” =OFF
3
Video power supply (PLAYER) (VTR : E model)
“0”=ON
4
CC DOWN
5
Start/Stop
6
Camera power supply (CAM + STBY)
Order
Page
Address
Data
Procedure
1
2
00
3F
After setting the data, press the PAUSE button.
2
2
01
ON/OFF of each key switch can be known by
discriminating the bit value of each display data.
Order
Page
Address
Data
Procedure
1
2
00
01
After setting the data, press the PAUSE button.
2
2
37
From the display data of each address, it can be known
2F to 33
which key is being pressed.
Display data
Address
2F
(KEY AD0 :
IC402
*™
)
30
(KEY AD1 :
IC402
*£
)
31
(KEY AD2 :
IC402
*¢
)
32
(KEY AD3 :
IC402
*∞
)
37
(PROGRAM AE :
IC402
(¡
)
00 ~ 0B
• STOP
VC-188 board
S302
• TITLE
(S412)
• DATE
(S411)
• TIME
(S406)
0C ~ 27
• FF
VC-188 board
S303
• PICTURE
EFFECT
(S413)
• BACK
LIGHT
(S410)
• COUNTER
RESET
(S405)
SPORTS
28 ~ 49
• PB
VC-188 board
S304
• MENU
(S414)
• FADER
(S409)
•EXECUTE
(S401)
HI-SPEED
4A ~ 76
• REW
VC-188 board
S305
• PAUSE
VC-188 board
S301
• DISPLAY
(S408)
• WIDE
(S404)
TWILIGHT
(S416)
77 ~ A9
• EDIT (+)
VC-188 board
S306
• IR
VC-188 board
S308
• END
SEARCH
(S407)
E4 ~ FF
AUTO
AA ~ E3
• EDIT (–)
VC-188 board
S307
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