dou ble quote. Al ter na tively, the string can be sent us ing sin gle quotes as
shown in the “cal_file” ex am ple be low. Ex am ples of data rep re sented by
<String> no ta tion are:
“1/15/98"
”Save “”cal_file"" now."
'Save “cal_file” now.'
<Ar bi trary ASCII> This no ta tion rep re sents undelimited 7-bit ASCII text. The end of the text
must be ter mi nated with the line feed char ac ter (0Ah, dec i mal 10) or a GPIB
End of Trans mis sion State (EOI), or both. This re quire ment makes it nec es -
sary for <Ar bi trary ASCII> text to be trans mit ted only at the end of a pro -
gram or re sponse mes sage, that is, at the end of a mul ti ple in put or out put
state ment.
Ex am ple of data rep re sented by <Ar bi trary ASCII> no ta tion:
Anritsu,2410A,123456,1.0<0A^ EOI > The ex am ple shows a sam ple re sponse
from the * IDN ?, 488.2 com mon query. In the ex am ple, the in stru ment iden ti -
fies it self as an Anritsu 2410A, with se rial num ber 123456, and soft ware ver -
sion 1.0 in stalled. Note that dec i mal 10 (0Ah char ac ter) must be sent with the
EOI to sig nal end of trans mis sion.
<Ar bi trary Block> This no ta tion rep re sents data trans mit ted as 8-bit data bytes (00-FF hex,
0-255 dec i mal, no ta tion is <DAB>). Use ful for trans mit ting large blocks of
for mat ted ASCII or bi nary data or un for mat ted bi nary data. The data stream
is im me di ately pre ceded by a vari able length ASCII header that is en coded
with the num ber of data bytes to be sent. The header al ways starts with the
(#) char ac ter.
6-4 QUERY COMMANDS Many ML24XXA (na tive) GPIB com mands have an equiv a lent query com mand
that will re turn a cur rent value or set ting. Query com mands and their re -
turned strings are pro vided with each com mand where ap pli ca ble.
A com plete list ing of valid query com mands and re turned strings is pro vided in
Ap pen dix B, Sec tion B-2 .
6-4 ML2400A OM
QUERY COMMANDS GPIB OPERATION
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