Serial port settings on a Tek-4013 vector graphics terminal, 1973. #BaudDay #RetroComputing
@davefischer Had to be careful and discreet with these, tho, lest you get done for operating a baudy house.

@davefischer That's the one with the APL character set! Is there a chance you could take a good photo of what the characters look like? (Or maybe it's in a manual you have?)

The Tek 4006 has TX and RX baud rates as a coaxial knob pair, like on an oscilloscope. Other settings are jumpers inside the case.

@stepleton Unfortunately it doesn't power up anymore, and I never took a photo of the APL characters when it was working. This is the keyboard: