IAI America TTA User Manual
Page 34
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4-3-16. Number of Effective Position Data Query 2 (Old: Number of Effective Point Data Query 2) (21EH)
Function: Query the number of effective position data.
Data name
Data range (value)
Data size
[bytes]
Cumulative
bytes [bytes]
Endian Sign
extension
Unit
Description Remarks
Big Little Yes No
Command
Header '!'
1
1
Station 'XX(h)'
2
3
Message ID
'21E(h)'
3
6
SC 'XX(h)'
2
8
CR 0Dh
1
9
LF 0Ah
1
10
Normal response
Header '#'
1
1
Station 'XX(h)'
2
3
Message ID
'21E(h)'
3
6
Number of effective
position data
'XXXX(h)' 4 10
SC 'XX(h)'
2
12
CR 0Dh
1
13
LF 0Ah
1
14
Error
respon
se
Error response
format
Refer to the error
response format.
10 10
(Note 1) Add H (or h) at the end of each data expressed in hexadecimal notation. If there is no H or h at the end, the data is considered a decimal.
(Note 2) Data enclosed in single quotation marks indicates an ASCII code. Data is a hexadecimal ASCII code if (h) is added before the closing quotation mark, or a decimal ASCII code if (d) is
added before the closing quotation mark.