New Devices

As you can see after start of the the application klogic, you can select different types of devices in the toolbar.
Alternatively you can choose a device from the Menu "Logic".
After choosen a device you can drop it on an empty place on the screen.

Operations on Devices

You can move devices with the left mouse button.
If you press the right mouse button on a device, a menu will appear. The avaliable functions depend on the device type and the current device status.

Usually you can choose between the following functions:
propertiesdisplay device properties
hide draphhide device in the simulation graph
show graphshow device in the simulation graph
opendisplay content of the subcircuit
open in windowdisplay content of the subcircuit in a new window
display graphdisplay content of the subcircuit in the simulation graph
removeremove the device