Tektronix TDS 224 100 Mhz 4 channel oscilloscope

Tektronix TDS 224 100 Mhz 4 channel oscilloscope. Unit powers on and completes self test with no errors. Tested each input with signal generator – O.K.
Condition : Good. Minor scuffs on case. Channel 1 position knob not original (control is good). No probes, manuals or other accessories. Purchaser responsible for any maintenance or calibration if required. As shown.