Hach Lange astroTOC Basic User Manual page 20

Figure 11 Keypad and front panel display
1 Display
2 Keypad
Light Name
A1 Alarm 1
A2 Alarm 2
F Fault or maintenance
event
Display description
Refer to Figure 12 for descriptions of the data shown on the main screen.
When dual stream is selected in the configuration, the main screen shows the selected sample
stream for 6 seconds. Then, the stream that is not selected is shown for 3 seconds and the time the
stream was last measured.
From the main screen, push
screen.
• Event screen—Shows the fault or maintenance event(s) that has occurred. If there is more than
one event, each event is shown for 3 seconds. Push ENTER to clear any latched events that are
no longer present.
• Status screen—Refer to
• Prim v Cal screen—Shows the ratio between the current calibration and primary calibration.
Figure 12 Main screen
1 TOC (or TC) reading
2 Analog output range or event code
20 English
Table 4 Indicator lights
Description
Illuminates when the TOC (or TC) reading is greater than the limit set for
Alarm level 1.
Illuminates when the TOC (or TC) reading is greater than the limit set for
Alarm level 2.
Illuminates when one or more maintenance event occurs.
Flashes when one or more fault event occurs.
Push one time from the main screen to show the fault or maintenance
event(s) that has occurred.
to scroll to the Event screen, Status screen and then the Prim v Cal
Figure 13 for descriptions of the data shown.
(Table 5)
3 Indicator lights
3 Operating status
4 Time in 24-hour clock format