Hach-Lange PROGNOSYS - Manual (Page 10)

Table 1 Color definitions
Color Definition
Green The sensor is in operation with no warnings, errors or reminders.
Yellow The sensor is in operation with active warnings or reminders.
The measurement indicator (top bar) shows a possible measurement value deviation,
but the value is still within the permitted tolerance.
The service indicator (bottom bar) shows an upcoming maintenance task which
includes a countdown period. Set the countdown period between 7 and 14 days.
Red The measurement value is invalid or immediately complete a service task.
Blank (background
color) No data is available or the RTC/PROGNOSYS communication card was removed.
Display description
The measurement value indicator is not a linear degrading indicator because of the sensor special
model based calculation.
Measurement zone Range
Green zone 100 to 75%
Yellow zone <75 to 50%
Red zone <50 to 0%
The exact status shows with an additional vertical cursor. A maximum of four measurement values
show if multiple sensors are installed on the sc1000. The indicators are shown for each installed
sensor in the top right-hand corner.
If only a frame around the background color shows and no traffic light colors, no data is available for
the sensor. If no bars are shown, refer to
Troubleshooting on page 17. Refer to Figure 5 and
Figure 6 for examples shown on the display.
Figure 5 Display overview for one sensor
1 Symbol for the service indicator 3 Cursor with exact status of the measurement value
indicator
2 Symbol for the measurement value indicator 4 Cursor with exact status of the service indicator
8 English