Black Box AlertWerks AW3000 User Manual page 46

CHAPTER 11: TIPS AND TRICKS
11.1.20 DASHBOX MAPS
You should feed the DashBox MAPS with a virtual sensor doing "COMBINE" since the dashbox needs latitude and
longitude to display a valid GPS location.
NOTE: Only the viewer of the webpage needs access to the internet; the unit itself does not.
Since AW3000 is just displaying Maps from a popular search engine, the click to change settings works different for that
dashbox. You need to click on the black border of the dashbox for changes.
Inside that dashbox you can scroll around and zoom in and out. The refresh rate of MAPS dashboxes is 10 seconds.
Therefore, after a few seconds, you get the picture you had initially.
11.1.21 SENSOR VALUE THRESHOLDS
There is the option to set Thresholds for sensor values. If you click on the sensors page on edit for one of the sensors/
datapoints, you see the option of entering "lower warn," "higher warn," "ok lower," and "ok higher."
This option only appears for physical and virtual sensors that can receive numerical values. Setting these thresholds does
not affect actions and notifications.
The only purpose of this setting is for dashboxes TACHO, TRAFFIC SIGN, maps and images with objects. While a TRAFFIC
SIGN-type dashbox can't interprete the values being green, yellow, or red for numeric values unless these thresholds are
set, the meaning for TACHO is different.
If you set the values, the TACHO starts from the lowest possible value, either being from the historical values or from that
setting. An example is a temperature sensor's data point. You set the threshold lower warn to 10, but the lowest value
measured was 5. Then the TACHO starts at 5. If the lowest value was 12 with threshold lower warn being 10, the TACHO
starts at 10. The same principle applies to the other values.
If you do not set these thresholds, the TACHO starts with lowest and highest values from the historical database.
You can define a background color for every dashbox on any dashboard. Alternatively, you can define Reflect Thresholds.
Then the background color of that dashbox changes from red to yellow and to green, accordingly.
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FIGURE 11-4: DATA POINT EDIT SCREEN
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