Hi, folks! Don't have a manual and need to know what the LMO tube is. Tnx! 73, Sandy AC1Y -- God's Blessings! Alexander N. Gerli, Sr. 548 Allred Mill Road Mount Airy, NC 27030-2202 Scotsmen walk about 900 miles each year. A Scotsman drinks around 45 gallons of Whisky a year. Scotsmen get about 20 Miles Per Gallon.