Page 55 - PBL71 OI/AXM630-EN AZTEC 600 SS (WIRO)

Aztec 600 ISE ammonia and fluoride
Single-stream ion-selective analyzers
8 Chart Functions
8 Chart Functions
Note. The 'Chart Functions' menu can be accessed only from the 'Chart View’ screen.
see Section 8.1
see Section 8.2
see Section 8.3
see Section 8.4, page 52
Fig. 8.1 Chart Functions
8.1 Historical Review
Press the
keys to change the selected value.
keys to select the date / time and press the
Note. While in Historical Review mode:
 Invalid historical data (for example, when recording has stopped) is denoted by '– – –' in the digital indicator.
 Operator messages generated are added to the alarm event log at the present time, not the time indicated by the cursor.
 All data stored in the analyzer's internal memory can be viewed.
 If daylight saving is enabled (see Section 7.5.4, page 49) and the selected 'Goto' target date / time is within the daylight saving period, 'Daylight Saving' is displayed on the dialog box.
Enables a historical view of the chart. While in the 'Historical Review' screen an animated icon is displayed at the top of the screen.The analyzer exits 'Historical Review' mode automatically after 15 minutes if no key is pressed.
Selecting the 'Historical Review' menu item changes the screen to the history view – use the keys to scroll up and down the screen.
Selecting the 'Historical Review' menu item a second time gives the option of either exiting the historical review or to go to a specified date / time:
To finish, press or press to escape without making any changes. The screen displays the chart at the selected date / time. Use the keys to scroll up and down the screen.
8.2 Operator Messages
These are messages that can be used to annotate the chart. These can be selected from up to 24 pre-defined messages – see Section 6.1.6, page 33. Alternately, the messages can be user-defined.
Annotations can also be added remotely via the web – see Appendix E, page 85.
The annotation is added to the chart at the time it is entered. For example:
An entry is also included in the Alarm Event Log.
8.3 Chart Annotation
Toggles any operator messages and / or alarms on / off.
OI/AXM630–EN Rev. J
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Note. Annotations added while in 'Historical Review' are added to the chart at the time of entry not on the chart as it is displayed on the screen.