Samsung SCZ-2273, User Manual, Page: 42 / 46

42_ SAMSUNG-T Protocol Command Description
SAMSUNG-T Protocol Command Description
SAMSUNG-T PROTOCOL COMMAND DESCRIPTION
Command Name
Byte1 Byte2 Byte3 Byte4 ll Byte5
Command Packet STX CAM ID HOST ADDR CAMMAND
Return Packet STX CAM ID HOST ADDR CAMMAND
Checksum CHECKSUM CALCULATION : UNARY OPERATION OF SUMMATION FROM BYTE2 T
EX) CHECKSUM = ~(BYTE2+BYTE3+... +BYTE8+ BYTE9);
Reset
Function Reset all data to factory default value.
Command Packet A0h CAM ID HOST ADDR 000Fh
Return Packet A0h CAM ID HOST ADDR 000Fh
Focus Far
Function Move focus lens to far direction.
Command Packet A0h CAM ID HOST ADDR 0100h
Return Packet A0h CAM ID HOST ADDR 0100h
Focus Near
Function Move focus lens to near direction.
Command Packet A0h CAM ID HOST ADDR 0200h
Return Packet A0h CAM ID HOST ADDR 0200h
Zoom Wide
Function Move zoom lens to wide direction.
Command Packet A0h CAM ID HOST ADDR 0040h
Return Packet A0h CAM ID HOST ADDR 0040h
Zoom Tele
Function
Command Packet
A0h CAM ID HOST ADDR 0020h
Return Packet A0h CAM ID HOST ADDR 0020h
ZOOM Direct
Function
Command Packet
A0h CAM ID HOST ADDR 00FFh
Return Packet A0h CAM ID HOST ADDR 00FFh
Parameter P1,P2: OPTICAL ZOOM = 0000h ~ 07DDh
P3 : DIGITAL ZOOM = ((256*10)/Ratio)-1
EX) D-ZOOM 1.1x : P3 = E7h = ((256*10)/11)-1, Ratio 11 means 1.1x.
D-ZOOM 2.0x : P3 = 7Fh = ((256*10)/20)-1, Ratio 20 means 2.0x.
AF Stop
Function Stop zoom & focus lens moving.
Command Packet A0h CAM ID HOST ADDR 0000h
Return Packet A0h CAM ID HOST ADDR 0000h
One push AF
Function Unconditionally execute auto focus.
Command Packet A0h CAM ID HOST ADDR 0045h
Return Packet A0h CAM ID HOST ADDR 0045h