Measurement Screens and Navigation
About the Measurement Soft Keys
EVM Series User Manual
75
About the Measurement Soft Keys
Each measurement screen has soft keys (extended menus) which are used to view different
measurements.
NOTE
: Press the
Enter
key to toggle through the various measurements.)
Soft key menus
Used to select additional
menus or different
measurements/units
Figure 5-5: Example of measurement soft key menus
Measurement
Soft keys
Explanation
Lookup soft
key
(eyeglasses)
Lookup icon (eyeglasses) soft key –
used to select and view different measurement values
(on the particulate and air velocity screens).
Level, Maximum, Minimum, Average, Short Term Exposure Level (STEL) and Time Weighted
Average (TWA).
Select soft key
Select soft key
- if more than one sensor/parameter is selectable on a measurement screen,
this is used to select a sensor such as: temperature, toxic gas sensor, PID sensor etc. If you
are on the composite screen and the screen is magnified, you can select each sensor and the
measurement units will be displayed on the bottom of the screen.
+/–
Magnifying glass symbol –
Used to Zoom in (
+
) or out (
–
). (The plus denotes zoomed in
and the minus sign denotes zoomed out.)
Detail soft key
Detail soft key –
used to view a sensor’s measurement values in a summary screen. For
example, if you are on the composite measurement screen and you want to view the
summary data for CO
2
, you would first select the CO
2
field and then select the Detail soft key.
You may need to press the up/down arrow to scroll through the data.
Trend soft key
Trend soft key
– is graphical chart and is used to give you a quick synopsis of trends over
time such as a high volume of particulates at a specific time. The following settings are
always logged and are viewable by pressing the
Altf
key when you are viewing the trend
screen: 90 sec, 180 sec, 900 sec, 90 min, 3 hrs, 8 hrs, 12 hrs, 24 hrs. The timescale (x-axis)
can be expanded by pressing the right or left arrow keys. The measurement level (y-axis) can
be expanded and contracted (some sensors) by pressing the up or down arrow keys.
Table 5-2: Measurement soft keys explained
