Figure 1 Controller keypad and display
1 Power key 5 Indicator light 9 CALIBRATION key
2 Arrow keys 6 STATUS key 10 MANUAL OPERATION key
3 Soft keys 7 MENU key 11 RUN/HALT key
4 Display 8 STOP key
Table 1 Key functions
Key Function
Soft keys Selects the function shown on the display.
Arrow keys Scrolls through the menus and the options. Enters values. Push and hold the arrow
keys to scroll through values quickly.
MENU Shows the main menu. Refer to Main menu overview on page 5.
STOP Stops the pump.
CALIBRATION Shows the Calibration menu. Refer to the Calibration option in Table 3 on page 5.
Power Sets the power to on or off.
MANUAL OPERATION Shows the Manual Operation menu. Refer to the Manual Operation option in Table 3
on page 5.
RUN/HALT Starts, temporarily stops or stops the sampling program.
STATUS Shows the status of the current sampling program and the power supply. Shows the
sample status, data log status, alarm status and hardware status. Refer to Show the
program status on page 19.
Table 2 Indicator light description
Color Status Description
Red Error The controller is on. One or more of the measurements the sampler is configured to use (e.g.,
pH and flow) is not available. Refer to Troubleshooting on page 22.
Green No Error The controller is on. There are no errors.
4 English