General Usage
Once connected to a server, click on a device to view its basic properties and controls (to the right of the window). You can edit the name and friendly name of a device by changing the text in the desired fields on the right and save by clicking on the green checkmark. To revert, click on the orange undo button beside it.
Firmware Upgrade
TasmoManager has the ability to update firmware on multiple devices at once. To do this, connect to an MQTT server and click on the Firmware Update button. Click next on the dialog and select the devices you would like to upgrade. Pressing cmd + a or ctrl + a will select / deselect all devices in the list. Then, click on next and select the OTA server you would like to use. Be sure you select the type of binary you want to upgrade to if you're using the ota.tasmota.com server. Then click on next, read the message and click on Begin Update to start updating the selected devices.