
33
Zooming In and Out
•
To zoom in on the chart, drag a bounding box down and to the right around
the area to be examined more closely. When the mouse button is released
the view will zoom in to the selected area.
•
To zoom out, drag the cursor up and to the left. The original view is restored.
Moving the Chart
•
To move the chart on the page, position the cursor over the chart, press and
hold the
right
mouse button, and then move the mouse.
•
To restore the original view, position the cursor over the chart, click the
left
mouse button, and then drag the cursor up and to the left.
Chart
(Continued)
Motion Errors
If checked in the Legend Panel, and if motion was
detected during the test, a vertical line with a red circle
indicates each motion event. Also, the text ‘Motion
Detected’ is displayed above the Legend Panel.
Action Level
If checked in the Legend Panel, the Action Level horizon-
tal, red line is displayed. The line will be drawn on the
graph at the selected radon concentration above which
mitigation action is necessary. Normally the level is
4 pCi/l or 148 Bq/m
3
.
When the radon level line does not exceed the action
level, the action level line is always visible on the chart for
easy comparison.
Temp (units)
(Model 1029 only) If checked in the Legend Panel, tem-
perature recorded during the test is shown as a red
dotted line. The average temperature is displayed above
the Legend Panel.
Pressure (units)
(Model 1029 only) If checked in the Legend Panel, the
pressure recorded during the test is shown as a dotted
green line. The average pressure is displayed above the
Legend Panel.
Rel % Humidity
(Model 1029 only) If checked in the Legend Panel, the
percent relative humidity recorded during the test is
shown as a blue dotted line. The average relative humid-
ity is displayed above the Legend Panel.
Legend
Panel
Radon (units)
Select this checkbox to display the Radon graph line.
Motion Errors
Select this checkbox to display vertical Motion Error
line(s).
Action Level
Select this checkbox to display the horizontal, red Action
Level graph line.
Temp (units)
(Model 1029 only) Select this checkbox to display the
Temperature graph line.
Pressure (units)
(Model 1029 only) Select this checkbox to display the
Pressure graph line.
Rel % Humidity
(Model 1029 only) Select this checkbox to display the Rel-
ative Humidity graph line.
Group
Item
Description
Figure 19. Chart (Graph) Details (Continued)