BBV FBM Installation Manual page 49

Data FROM keypad NO lens keys pressed, joystick centred
0xA0 (Keypad 1) MSB (B7) Set
Key codes will be all keys except Iris, Focus or Zoom.
0xA7 KEY CS
Data FROM keypad, lens keys pressed or joystick moved
0xA0 (Keypad 1) 0x30 (PTZFI) MSB
MSB (B7) Set (B7) Cleared
Bits of Byte 1, 2 & 3 represent PTZFI movement:
BYTE 1
IRIS OPEN ZOOM OUT
B6 B5
BYTE 2
IRIS CLOSE FOCUS FAR
B6 B5
BYTE 3
ZOOM SPEED ZOOM SPEED
B2 B1
B6 B5
Keycode MSB (B7) Cleared
0x0A KEY CS
BYTE 1 MSB (B7)
Cleared
ZOOM IN TILT UP
B4 B3
FOCUS NEAR PAN SPEED B3
B4 B3
ZOOM SPEED TILT SPEED B3
B0
B4 B3
Checksum MSB (B7) Cleared
0xA1 KEY CS
BYTE 2 MSB (B7) BYTE 3 MSB (B7)
Cleared Cleared
TILT DOWN
B2
PAN SPEED B2 PAN SPEED B1
B2
TITL SPEED B2 TITL SPEED B1
B2
0xA2 KEY CS
CHECKSUM MSB
(B7) Cleared
PAN LEFT PAN RIGHT
B1 B0
PAN SPEED B0
B1 B0
TITL SPEED B0
B1 B0
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