Tektronix TDS 540 Four Channel Digitizing Oscilloscope 132725804523 the light on front turns

the light on front turns green

Manufacturer Spectronic Model Number 333150 SKU 19-83899 Ref 23-121598

Manufacturer Nikon SKU 19-67497 Ref 23-96050

Manufacturer AirTac Model Number 4V130C-06 SKU 19-43947 Ref 23-105726

Tektronix TDS 540 Four Channel Digitizing Oscilloscope 132725804523 the light on front turnsCondition Used Description This item is fully tested and in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. The screen is off center, slightly to the left. All menus are still readable. Includes Digitizing Oscilloscope as pictured. No additional items or accessories are included. Unless pictured, no power adapter power cable included. Photos are