Calan Model 1777P Portable Integrated Sweep Transmitter 142549967711 Manufacturer SMC Model Number LER30K

Manufacturer SMC Model Number LER30K SKU 19-54029 Ref 23-74875

Manufacturer Tektronix Model Number TDS 8000 SKU 19-54230 Ref 23-96385

Manufacturer Lutron Model Number NT-6PF-BR UPC 027557061827 SKU 19-40762 Ref 23-86835

however the screen stays frozen and error ERFF pops up

Calan Model 1777P Portable Integrated Sweep Transmitter 142549967711 Manufacturer SMC Model Number LER30KCondition Used Description This item is fully tested, but the battery needs replacement, unit will not stay on if unplugged from charger. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. Includes Portable Integrated Sweep Transmitter as pictured. No additional items or accessories are included. Unless pictured, no power adapter power cable included. Photos are of the