The operator can quickly make a selection by depressing a switch on the front panel.
eBay
eBay
eBay
Unit has been tested onsite and is guaranteed fully functional. Unit is in fair condition and has heavy wear from previous use including blemishes, scuffs and scratches. Includes unit only. Photos of actual item for sale. Unit is on hand and ready to ship. Please feel free to message us any question you may have. Thank you for checking out our listing.
eBay
Lightly used by myself when I worked at Pfizers several years ago.
eBay
eBay