1
RS-232C TTL/RS-485 Protocol
(Optional)
Data Communication Format
Data Length: 1 Byte (8 Bit)
Start/Stop Bit: 1 Bit
Parity Bit: None
Baud rate: 9 600 bps
Format
BYTE1
BYTE
BYTE
BYTE
BYTE5
BYTE6
0xE5
0x86
Camera
ID
CODE1 CODE
*C.S.
*C.S. = Check Sum
The data of total 6 bytes is transmitted from the exter-
nal RS-85 device to the camera.
BYTE 6 : The value of Check Sum from ‘BYTE 1 ’ to
‘BYTE 5 ’.
•
•
•
•
•
•
ex) In case of transmission, 0xC5, 0x5F, 0x0, 0x00,
0x0A”
C.S. = 0xC5 +0x5F +0x0 +0x00 +0x0A = 0x010
therefore, C.S. = 0x0
Commands
Function
Command
OSD Menu ON/OFF
E5, 86, ID, 1, 0, C.S.
LEFT Button
E5, 86, ID, 1, 80, C.S.
Right Button
E5, 86, ID, 1, 90, C.S.
Up Button
E5, 86, ID, 11, 80, C.S.
Down Button
E5, 86, ID, 11, 90, C.S.
Menu Button
E5, 86, ID, 1, 01, C.S.
Reference
Summary of Contents for LS921
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