Hach-Lange DR 2800 eco - Manual (Page 76)

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Advanced Operations
Upper and lower limits of the measuring range
It is possible to enter a maximum (upper) and minimum (lower)
measurement value. An error message is displayed if a reading is
above the upper limit or below the lower limit.
6. Activate the appropriate line in the overview of the program
data and press Edit.
7. Set On and press the 0.000 key to enter the measuring range
limit. Confirm your entry by pressing OK.
Timer 1 / Timer 2 / Timer 3 / Timer 4:
This function can be used to enter abbreviations for work steps and
defined time intervals for up to four timers.
8. Activate the appropriate line in the overview of the program
data and press Edit.
9. The timers are activated or deactivated with the control boxes
in the left part 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 timer are
entered.
Chemical Form 2 / Chemical Form 3 / Chemical Form 4:
10. If a Chemical Form 1 was defined, up to three additional
alternative forms can be entered here.
11. Activate the appropriate line in the overview of the program
data and press Edit.
12. The chemical forms are activated or deactivated with the
control boxes in the left part of the display.
13. Press the left key to enter another chemical form via the
alphanumeric keypad. Confirm the input by pressing OK. Press
the right key to enter the conversion factor for this additional
chemical form. Confirm your input by pressing OK.