My case came with several pages of 'instruction.'? one of these conveys the 3 places the LED solders to for the PTT illumination.? I am remembering this thing to be way too bright, so I used larger value resistors (maybe 3 or 4X) to feed the LED.?
I do remember a video that was or is posted to ubitx.com - I found it after I am had assembled but it was very useful as I remember.? Then it was on the front page.?
A key assembly hint -- remove the front panel to allow easy mounting of the raduino and other things into the main board.?
Use your ohm-meter so that you properly connect to the SO239 connector.? Yes find which side is ground and of course this goes to outside of the coax (hint the 4 mounting holes are ground).?
When you get assembled and power up, note as many discovered you won't like the display.? There is a trimmer pot on the backside of raduino, slowly adjust it until you see the nice display.? then note you push the main tuning knob to go thru the various menus (this may not be explained anywhere?)
That 4.7k resistor you install allows straight key CW.? It takes a moment to engage into transmit - so at first it will be strange - but once you adapt to its timing it does CW quite well.?
I will stop answering questions you have not asked yet -- hang in there and enjoy the build, pretend its a puzzle!?
Curt