Figure 7 Front panel
1 Numeric display
2 Select key
3 Alphanumeric display
6.2 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.
6.3 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.
6.4 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:
• Operating mode: The top line indicates units, measurement type and any activated alarms. The
bottom line indicates the analyzer status, e.g. calibration, titration, etc.
• Command mode: The top line indicates the main menu. The bottom line indicates submenus and
data settings.
Section 7 Menu overview
MAIN MENU
The main menu gives access to the following functions:
4 Scroll up key
5 Enter key
6 Scroll down key
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