Hach POLYMETRON 8810, User Manual

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Section 5 User interface
5.1 Front panel description
The interface is via a 4-key keyboard, a 4-digit numeric display and an alphanumeric
display of 2-lines of 16 characters.
Figure 9 Front panel
1 Numeric display 4 Scroll up key
2 Select key 5 Enter key
3 Alphanumeric display 6 Scroll down key
5.2 Function keys
• Enter : Invoke functions or confirm parameters.
• Select : Select menu options, adjust parameters, exit submenus, and switch between
command and operating mode.
• Scroll down : Adjust variables, scroll through displays in operating mode and
submenus in command mode.
• Scroll up : Same as scroll down but in reverse order, and cancel the system alarm.
5.3 Analyzer modes
The analyzer functions in Operating mode or Command mode. In Operating mode the
analyzer performs standard actions such as measurement, calibration, etc. A limited
number of parameters can also be displayed using the scroll keys. In
Command mode
the analyzer can be programmed, parameters displayed and analyzer functions tested.
By default, the analyzer is in
Command mode when first switched on.
To enter Operating mode from Command mode, select START from the MAIN MENU .
To enter Command mode from Operating mode, press Select to display the STOP
command, then
• if you only wish to display currently defined parameters, from the STOP command
use the scroll keys to select READING and press Enter for approximately 3 seconds.
• if you wish to program the analyzer or test analyzer functions, from the STOP
command press Enter and then Enter again to confirm. Then use the scroll keys to
select PROGRAMMING and press Enter for approximately 3 seconds.
5.4 Displays
Numeric display : This display shows concentration (default), potential or temperature
measurements.
Alphanumeric display : This display provides messages on status and programming.
Messages are different according to the mode:
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