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12. User-defined methods
12.2 Entering characteristics via the PC
Data format of the method data:
The data of user-defined methods is transferred in a
string. The individual datablocks of the string are
separated by spaces:
Further information is given in the chapter 15
RS 232 C
INTERFACE
Datablock
input user-def. methods
method number
method designation
wavelength
unit
citation
zero point
slope
meas. range begin
meas. range end
reference cell
resolution
Example:
CEME 301 Test1 690nm mmol/l C6H5OH 0.009 2.12 0.1 22.3 14 0.1 <CR>
.
Character
Example
4
CEME
3
301
5
TEST1
5
690nm
9
mmol/l
12
C6H5OH
5
0.009
5
2.12
5
0.1
5
22.3
2
(=round)
5
0.1
l
round
l
10 mm
l
20 mm
l
50 mm
3
– Select with
1
– Confirm with
.
Example:
Display and automatic printout of code no. and charac-
teristics as a list.
3
– Scroll with
1
– Return with
.
Error message "INVALID COMMAND"
The following inputs lead to this error message:
l
slope = 0 or < –32000, > 32000
l
zero point > 32000
l
meas. range begin < 0 or > 32000
l
meas. range end < 0 or > 32000
l
meas. range end ≤ meas. range begin
l
reference cell not equal to 10 mm, 14 mm, 20 mm
or 50 mm
l
designation of the wavelength does not agree with
the photometer
l
resolution not 0.1, 0.01,...
57
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