Hach-Lange DR 3800 Additional Software LINK2SC - Manual (Page 25)

13
Operation
3.2.5.3 Set control limits
It is possible to adjust Control limits for every parameter to identify
discrepancies from the usual process, interferences and exceeding
limits.
To adjust the control limits:
1. Press Control Limits to adjust the control limits of the active
graph.
Note: Press the black or orange box to switch between the graphs.
Note: The colors of the displays vary, due to the selected color
palettes in the Select Color menu.
2. Select On in the Control Limits menu.
3. Press the field below Upper Control Limit: or Lower Control
Limit: to enter a new number.
Note: Use the alphanumeric keypad to enter the number and press
OK to confirm.
Readings outside the control limits are displayed in red.
Note: The Control Limits are displayed as a line only for the active graph.
Note: When Control Limits are entered for both graphs and the graphs are
displayed as dots or cruxes, all readings outside the limits are displayed in
red.