TM 09241 B-12&P
2-11. OPERATION OF pH/TEMPERATURE TEST SET.
Open case and carefully remove equipment and supplies as needed. Note location for repacking.
Table 2-2. pH/Temperature Meter Display and Functions
Operating ModeIndicates instrument operating mode.
Indicates meter is in setup mode. Used to define operating
Indicates the meter is in calibration mode. Accessed by
pressing the cal key.
Indicates the meter is in measurement mode, accessed by
pressing the measure key.
Displays pH readings, electrode slope and other significant
Indicates if a particular feature is active or not in the setup menu.
Displays temperature in degrees Celsius. The °C designation is
displayed when temperature is displayed.
Displayed when a temperature probe is attached.
Displayed when the 2nd key has been pressed, indicating the
meter is ready to perform a second function.
Displayed when the electrode signal has stabilized.
Displayed when the pH reading is frozen after reaching stability
in measure mode. The hold feature may be turned on or off in
the setup menu.
Displayed when the timer function has been activated.
Displayed when the battery is low and needs to be replaced.
Press to enter a value during calibration or setup. May also be
used to scroll through the setup menu without changing any
Press to cancel a change to a parameter before entering.
Press for sample analysis. Instrument will remain in measure
mode until another key is pressed. Press to unlock hold.
Press to start calibration. Meter automatically advances to
measure after the calibration is complete.
Press to access second functions: timer or setup menu.
Press to increase value.
Press to decrease value.
Press to turn meter on or off.