Emerson Tescom ER5000 Series User Manual page 132

ER5000 — The ERTune™ Program: Basic Features
Resizing the Range Displayed by the Plot Screen Using
the Mouse
IMPORTANT! IMPORTANT!
Changes made to the Plot Screen display using the mouse
or the Plot Screen menu commands only change the display of the Plot
Screen. The ERTune™ program continues to track the full range of values for
setpoint and feedback, even if the Plot Screen does not display them.
To change the actual range of feedback values tracked by the ERTune™
program, refer to the task To change the range of feedback values tracked
by the ERTune™ program.
To toggle the display range of the vertical axis
1. Double-click anywhere within the Plot Screen. This toggles
the display between a 0% to 100% display and a -20% to
120% display.
NOTE NOTE
If your application makes full use of the display range, the
-20% to 120% display makes it easier to visually track setpoints and
CAUTION CAUTION
responses near the 0% and 100% levels.
WARNING WARNING
To zoom the vertical axis display
1. Click once within the Plot Screen at the level you want to set as
the new maximum value, then a second time at the level you
want to set as the new minimum value.
NOTE NOTE You may repeat this process to progressively increase the
zoom level.
CAUTION CAUTION
To return the vertical axis display to the default setting
WARNING WARNING
1. Double-click anywhere within the Plot Screen.
NOTE NOTE
You will return to the default display even if you have
zoomed multiple times.
CAUTION CAUTION
WARNING WARNING
132