User Guide

Instruction Manual DO 100
2
2 DISPLAY AND KEYPAD FUNCTIONS
2.1 Display
The LCD has a primary and secondary display.
• The primary display shows the measured DO value either in mg/L, ppm or %,
depending on units of measurement selected.
• The secondary display shows the temperature in °C.
The display also shows error messages, keypad functions and program functions.
See Figure 1.
Figure 1: Full LCD Screen