Hach-Lange DR 2800 eco - Manual (Page 61)

59
Standard Operations
Enter the Formula, Concentration Units, Designation,
Measuring Ranges
Detailed information for entering the Formula, see
6.1.3 "Free
programming" program type on page 75 .
Please check the working procedure in advance to determine
whether this point really needs to be changed.
1. Activate the Formula line in the data overview and press Edit.
2. Select the formula to be edited, press Edit and use the
alphanumeric keypad to enter the data specified in the working
procedure (for C1=, C2=, units, name, measuring range limits,
etc.).
Enter the Variables (Factors, Wavelength and Coversion
Factors)
Detailed information for entering the Variables, see
6.1.3 "Free
programming" program type on page 75 .
Please check the working procedure in advance to determine
whether this point really needs to be changed.
1. Activate the Variables line in the data overview and press Edit.
2. Select the variable to be edited, press Edit and use the
alphanumeric keypad to enter the data specified in the working
procedure (for F1, F2,
λ1, U1 etc.). Confirm each entry with
OK.
Abbreviation of Variables:
F1: Factor 1
F2: Factor 2
λ1: Wavelength 1
U1: Conversion Factor 1 for the first chemical form
U2: Conversion Factor 2 for the further chemical form a.s.o.
Timer 1, Timer 2, Timer 3, Timer 4:
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..