Instruction Manual
PD 300
2
DISPLAY AND KEYPAD FUNCTIONS
2.1 Display
The LCD has a primary and secondary display.
•
The primary display shows the measured pH or DO value (either in mg/L, ppm
or %, depending on units of measurement selected).
•
The secondary display shows the measured temperature.
The display also shows error messages, keypad functions, and program functions. See Figure
2.
Figure 2: Full LCD Screen
1
. SETUP mode indicator
7
. Oxygen solubility indicator in
mg/L or ppm.
13
. Probe indicator
2
. MEASurement mode indicator
8
. Temperature indicator
14
.Calibration indicator
3
. CALibration indicator
9
. pH buffer indicator
15
Function ON / OFF
indicator
4
. pH indicator
10
. Automatic Temperature
Compensation indicator
16
HOLD indicator
5
. % saturation indicator
11
. ERRor indicator
17
READY indicator
6
. ppt indicator for input of
Salinity value.
12
. Low battery indicator
2