D
OWNLOADING
D
ATA
Page 56
Electronic Copy of LTI’s Impulse User’s Manual 8
th
Edition © October 1998
where:
datatype
is the kind of data you are
requesting. Legal values:
$ID = Instrument version number
$BM = Basic measurements
$HT = Height data (Impulse 200 only)
$RD = Range difference
$RC = Range cumulative
<CR>
is a carriage return character.
An invalid query will return error message: $ERR
Download Messages
Data messages downloaded in IP200/IP100 format
are in this general form:
$
datatype
,
value
,
...
dunits
,
aunits
*
csum
<CR>
where:
datatype
identifies the data type. Legal values:
$ID = Instrument version number
$BM = Basic measurements
$HT = Height data (Impulse 200 only)
$RD = Range difference
$RC = Range cumulative
value
,
...
are the values associated with the data type,
separated by commas. The last value in the list
is followed by a comma.
A value may have 1-2 decimal places,
depending on how many will fit in a six-digit
measurement. The maximum value for any
measurement is 99999.9; the minimum is -
9999.9. Since the instrument cannot measure
more than a