A-28 824 Reference Manual 9/29/09
If “w” is not provided or it is zero
then the value indicated by the Wght
settings is given.
Other Read Commands
Other read commands are macro
commands that send multiple “R”
variables, so multiple data can be
retrieved from the 824 with one
command. Other commands O 1, O
2, and O 4 are preprogrammed
macros while O 3 is a user-defined
macro which is programmed by the
Group command.
Code Description Response
O 1 Read SLM data nnn.n, nnn.n, nnn.n, nnn.n<CR><LF> R 4 (SPL), R 11
(TWA), R 17, (Lmin), R 21 (Lmax)<CR><LF>)
O 2 Read Wind Data nnn.n, ccc, nnn.n, nnn.n, ccc<CR><LF>
O 3 Read Group of “R” vari-
ables programmed by the
group programming com-
mand G n,r
<as programmed>
O 4 Read 824’s LCD Display,
bit mapped in a binary for-
mat
<SOH><HIGH_COUNT><LOW_COUNT><...data...><C
HKSM><CR><LF>
• There are 1024 bytes of screen data (8 lines of 128 bytes
each)
• Bits in each byte represent a vertical column of 8 pixels
with the lsb on top
O 6 All History Records: R92
(Run Log), R93 (Excd),
R94 (Intv), R95 (Time
History), R96 (Daily), R97
(Cal. Log)
nnnnnn,nnnnnn,nnnnnn,nnnnnn,nnnnnn,nnnnnn
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