Tektronix AWG610 Arbitrary Waveform Generator for PARTS/REPAIR

Tektronix AWG610 Arbitrary Waveform Generator for PARTS/REPAIR. Unit will not power on. When master power switch is turned on, an internal relay click is heard and a high-pitched whistle is then present. No further testing performed. Trigger level adjustment knob/potentiometer shaft missing. No manual, cables, software (if applicable) or other accessories. As shown.