Scale Range
0 to 30 degrees right and 0 to 30 degrees left, 5000 to 49000 ft, 7 to 69 sec, 50 to 490 knots/miles per hour
Scale Smallest Increment Graduation
1 deg, 5000 to 10000 ft, 100 ft, 10000 to 15000 ft, 200 ft, 15000 to 30000 ft, 500 ft, 30000 to 49000 ft, 1000 ft, 7to 10 sec, 1/10 sec, 10 to 15 sec, 1/5 sec, 15 to 50 sec, 1/2 sec, 50 to 69 sec, 1 sec, 50 to 490 miles/knots, 50 to 100 miles/knots, 1 mile/knot, 100 to 150 miles/knots, 2 miles/knots, 150 to 300 miles/knots 5 miles/knots, 300 to 490 miles/knots, 10 miles/knots