Protek B801 Manual Link -

Pull out or rotate to introduce a steady-state DC voltage shift to the alternating waveform.

Under 100ns at maximum output amplitude. Triangle Wave Linearity: Greater than 98% up to 100kHz. Front Panel Overview and Controls protek b801 manual link

Use the main tuning dial to adjust the frequency within the chosen range. The 4-digit display will show the output frequency. Pull out or rotate to introduce a steady-state