Giving Demos of Advanced Tektronix 40 00 Features
1. Attach a P6139A probe to th e oscilloscope’s
channel 1. Then attach it to the demo board’s
GND point and RS-232 TX signal.
2. Push the Serial Select button on the demo
board multiple times unt il the RS-232 LED
stays lit.
56 Tektronix 4000 Oscilloscope Demo Instruction Manual