User Interface And Navigation - Hach SD900 Manuel D'utilisation De Base

Use a power line filter or connect the controller to a different branch circuit to reduce the possibility of
electrical transients.

User interface and navigation

The controller keypad is shown in
configure the controller settings or complete the diagnostic tests. Use the arrows, ENTER and BACK
keys to scroll through the menu, make selections and enter values. Look for arrows on the bottom or
side of the display screen to know when more options are available.
Figure 10 Controller keypad
1 POWER
2 VOLUME CALIBRATION
3 STOP
4 LED
Startup
Turn the instrument on or off
The refrigerator starts after a 5-minute delay when the equipment is plugged in. Push the POWER
key to turn on or turn off the controller. The refrigerator continues to run when the controller power is
turned off. Unplug the power cord on the AWRS or both power cords on the refrigerated sampler to
turn off the entire instrument.
Figure 10. Use the MENU key to set up sampling programs,
5 MENU
6 ENTER
7 BACK
8 ARROW KEYS
9 STATUS
10 RUN/HALT PROGRAM
11 MANUAL OPERATION
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