Hach Lange 2100AN Basic User Manual page 9

Table 1 Key descriptions (continued)
Key Description
Starts the changing of the sample number shown on the mode
display.
Selects automatic or manual ranging.
Selects the unit of measure. Exits Calibration or Setup mode
without saving changes.
Turns Ratio on or off.
Turns on or off the Flow mode of operation. Used only with the
automated flow cell.
Turns signal averaging on or off.
Sends the data that is on the display to a printer or computer.
Sends a calibration data report to a printer or computer when in
Calibration mode. Sends diagnostic results to a printer or computer
if held down when the instrument is turned on. Provides a print of
the setup commands when in Setup mode. Turns the print interval
feature on or off if the instrument has been configured with a printer
interval.
Moves the printer paper forward one line.
Turns on Setup mode and starts the selection of the setup number
on the mode display.
Starts a calibration when in NTU, NEP or EBC mode. Starts
analytical zeroing when in CU, %T or Abs mode.
Figure 5 Indicator lights
1 Lamp icon light
2 "CAL?" light
3 "Manual" light
4 "Auto" light
5 RATIO light
6 FLOW light
7 PRINT light
8 SIGNAL AVG light
9 CAL/Zero light
10 SETUP light
11 SAMPLE light
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