Sony FWD-50PX1 - Manual (Page 6)

FWD-50PX1
4
(c) Answer (Display
→
Response to Host)
1 Answer at the time of Control request
No. Item Value
1 Header 0x70: Answer
2 Answer * 0x00: Completed (Normal completion)
0x01: Limit Over
(Abnormal completion: Over upper limit)
0x02: Limit Under
(Abnormal completion: Under lower limit)
0x03: Command Canceled
(Abnormal completion)
3 Check Sum 0xXX
* 0x00: Completed Packet is correctly received and process is
also correctly completed.
0x01: Limit Over Packet is correctly received, but the data
value is over the upper limit.
0x02: Limit Under Packet is correctly received, but the data
value is under the lower limit.
0x03: Command Canceled Packet is correctly received, but the data
value is not correct or the request cannot be
accepted in the current host state.
* Check Sum: If the value of a sum total of 1 and 2
exceeds 255 (1 byte), the data of 1 lower
byte is effective.
2 Answer at the time of Enquiry request
(Normal completion)
No. Item Value
1 Header 0x70: Answer
2 Answer 0x00: Completed
3 Return Data Size 0xXX
4 Return Data1 0xXX
: : 0xXX
: : 0xXX
X Return DataX 0xXX
X + 1 Check Sum 0xXX
* 0x00: Completed packet is correctly received and process is also
correctly completed.
* Return Data returns the read value.
* Check Sum: If the value of a sum total of 1 to X exceeds 255 (1 byte), the
data of 1 lower byte is effective.
3 Answer at the time of Enquiry request
(Abnormal completion)
No. Item Value
1 Header 0x70: Answer
2 Answer 0x03: Command Canceled
(Abnormal completion)
3 Check Sum 0xXX
* 0x03: Command Canceled Packet is correctly received, but the
data value is not correct or the request
cannot be accepted in the current host state.
* Check Sum: If the value of a sum total of 1 to 2 exceeds
255 (1 byte), the data of 1 lower byte is
effective.
4 Error Answer
No. Item Value
1 Header 0xE0: Answer
2 Answer * 0x00: No Function Error
0x01: Check Sum Error
0x02: Data Number Error
0x06: Mode Error
0x07: Time Out
3 Check Sum 0xXX
* 0x00: No Function Error Packet header, category and function code
are not included in this protocol.
0x01: Check Sum Error Check sum value of received packet is not
correct.
0x02: Data Number Error Data value in “Data Number” area of the
received packet is different from the data
number of the function.
0x06: Mode Error Monitor is already in the service mode by the
operation of remote commander. (IR remote
commander precedes the serial remote
commander.)
0x07: Time Out Packet communication is interrupted due to an
error and does not return to the normal
communication state within 2 seconds.