Hach-Lange DR 3900 User Manual - Manual (Page 68)

68
Standard programs
5.5.5.2 Manual update of a barcode test
Note: Only in very few cases does the revision of a test require all test
specifications to be updated.
The various data types that determine a barcode test are
described in
Table 6 .
Enter the Name
Check the process specification in advance to determine whether
this point needs to be changed.
1. Highlight the line containing Name and press Edit. Use the
alphanumeric keypad to enter the name indicated in the
process specification.
2. Press OK to confirm.
Enter the Version
1. Highlight the line containing Version and press Edit. Use the
alphanumeric keypad to enter the name indicated in the
process specification.
2. Press OK to confirm.
Table 6 Program update options
Program point Description
Name Name of the analysis parameter
Version An abbreviation assigned by the user or the version number, etc. is entered here
Measurement process
Exact definition of the test: the number of wavelengths at which readings are carried out, the
number of absorbance readings needed, the keys to be used, any waiting periods between
readings, etc.
Formula Definition of the evaluation formulas with which the test result is calculated
Variables
The number of variables shown in the display depends on the definition of the measurement
process and the formulas. Input of the numerical values of the wavelengths, factors, constants,
etc.
Timer 1, Timer 2,
Timer 3, Timer 4
This function can be used to enter abbreviations and defined times for up to four timers.
Highlight the corresponding line and press Edit.
The timers are activated or deactivated with the control boxes on the left of the display. In the
next column, a selection can be made from a list of names that describe the corresponding work
step. In the third column, the times for each active timer are entered.