Hach NA5600 sc Na+ Mode D'emploi page 7

Color
White
Yellow (warning or
reminder)
Red (error)
3.2.1 PROGNOSYS indicator bars
The measurement quality indicator bar shows the overall measurement health of the analyzer (0 to
100%). The service indicator bar shows the number of days until a service task is necessary. Refer
to Table 2.
To see the parameters that have an effect on the indicator bars, push diag, then select
PROGNOSYS > MEASUREMENT INDICATOR or SERVICE INDICATOR.
Color Measurement quality indicator bar
Green The system is in good working condition and the
health percentage is more than 75%.
Yellow The system needs attention to prevent a failure in
the future. The health percentage is between
50 and 75%.
Red The system needs immediate attention. The health
percentage is below 50%.
3.2.2 Additional measurement screens
From the measurement screen, additional measurement screens are available:
• Single channel analyzers:
• Push the LEFT or RIGHT arrow to switch between the main display and a graphical display.
• Multi-channel analyzers:
• Push the UP or DOWN arrow to change the channel shown and see the last measurement for
the channel.
• Push the LEFT or RIGHT arrow to show more channels and a graphical display.
• In the graphical display, push the UP or DOWN arrow to show the graph for the previous or next
channel. Refer to
3.2.3 Graphical display
The graphical display shows measurements for a maximum of four channels. The graph supplies
easy monitoring of trends and shows changes in the process.
Table 1 Measurement screen—background colors
Definition
The analyzer is in operation with no warnings, errors or reminders.
The analyzer is in operation with active warnings. Wrench symbol
shows on the display when the time for a maintenance task has
passed.
The analyzer is not in operation due to an error condition. A serious
problem has occurred.
Table 2 PROGNOSYS color descriptions
Graphical display on page 7 for additional options.
Service indicator bar
There are at least 30 days until the
next service task is necessary.
At least one service task is required in
1 to 30 days.
One or more service tasks are
required within 1 day.
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