To add a new device to be monitored by OverTime, select the device on the NetView map. Let us say we want to monitor NETic-RT in the below map:
At present the output is shown on the terminal session from where you started ovw.
You need to click on "NETic-RT" first to select it as shown. Then, open the Misc menu item and then select OverTime Actions, then select Add/Update Target/s.