Hach LT 200 User Manual page 8

Section 4 User interface and navigation
4.1 User interface
The instrument is operated using three keys that are located below the
display (Figure 2). The function of each key is shown on the display. If
no function is shown for a key, that key is not currently active.
Figure 2 Keypad description
1 Display
2 Right key
8 English
3 Middle key
4 Left key
4.2 Display description
Figure 3 Screen display when a program is active on the left
heating block only
1 Thermometer symbol
2 Temperature of heating block
3 Right heating block
4 Down arrow key (use to select
program)
5 Left heating block
6 Remaining time
7 Timer symbol