Sony FWD-42PV1A User Manual
2
FWD-42PV1/42PV1P/42PV1A
(c) Answer (Display
→
Response to Host)
1 Control answer
No. Item
Value
1
Header
0x70: Answer
2
Answer
*
0x00: Completed
0x01: Limit Over
0x02: Limit Under
0x03: Command Canceled
3
Check Sum 0xXX
*
0x00: Completed
Normal response.
0x01: Limit Over
The packets was received normally, but the
data value was over the upper limit.
Forcedly the monitor adjusted the data to
maximum value.
data value was over the upper limit.
Forcedly the monitor adjusted the data to
maximum value.
0x02: Limit Under
The packets was received normally, but the
data value was under the lower limit.
Forcedly the monitor adjusted the data to
minimum value.
data value was under the lower limit.
Forcedly the monitor adjusted the data to
minimum value.
0x03: Command Canceled The packets was received normally, but the
command was cancelled because the function
was not in adjustable mode, such as “
was not in adjustable mode, such as “
_
” a
function displayed as in user menu.
*
Check Sum:
The total from No.1 to No.2, when value
exceeds 255, 1byte of data is confirmed the
bottom.
exceeds 255, 1byte of data is confirmed the
bottom.
2 Enquiry answer (Complete)
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 Normal response.
*
Return Data returns the read value.
*
Check Sum: The total from No.1 to No.X, when value exceeds 255,1byte
of data is confirmed the bottom.
3 Enquiry answer (Command cancel)
No. Item
Value
1
Header
0x70: Answer
2
Answer
0x03: Command Canceled
3
Check Sum
0xXX
*
0x03: Command Canceled The packets was received normally, but the
command was cancelled because the function
was not in adjustable mode, such as “
was not in adjustable mode, such as “
_
” a
function displayed as in user menu.
*
Check Sum:
The total from No.1 to No.2, when value
exceeds 255, 1byte of data is confirmed the
bottom.
exceeds 255, 1byte of data is confirmed the
bottom.
4 Error answer
No. Item
Value
1
Header
0xE0: Answer
2
Answer
*
0x00: No Function Error
0x01: Check Sum Error
0x02: Data Length Error
3
Check Sum
0xXX
*
0x00: No Function Error Packet header, category of function codes do not
exist in this protocol.
0x01: Check Sum Error The “Check Sum” value of the packet which
received is wrong.
0x02: Data Length Error The “Data Num” value of the packet which
received is wrong.