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Legacy Protocol
This command communication protocol is the teli standard method (method in which parameters are set in the
registers in the camera). In command send/receive operation, hexadecimal address and data are converted to
ASCII data. All ASCII alphabetic characters used are uppercase characters.
(1) Writing to the register
To write data in a register, send a command, as follows.
(Address' max-length is 8 bytes, and Data's max-length is 8 bytes)
For example, to write data 0x38 to address 0x76, send a command, as follows:
The camera responds to the write command with No Error (ACK) or Error (NAK), as follows:
(2) Reading the register
To read data from a register, send ', (comma)', 'R', 'Q' and [CR] code following the address. For example, to
read data in address 0x91, send a command, as follows:
The camera responds to the read request, as follows (Data's max-length is 8 bytes):
Data
8th byte
Actually, the camera responds to the read request as minimum data length: For example, to read data 0x10 to
address 0x91, the camera responds as follows:
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No Error (ACK):
Error (NAK):
[NAK]
(0x15)
Data
Data
Data
7th byte
6th byte
5th byte
'1'
(0x31)
[CR]
(0x0D)
Data
Data
Data
4th byte
3rd byte
2nd byte
'0'
[CR]
(0x30)
(0x0D)
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Data
[CR]
1st byte
(0x0D)
D4272607A
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