Garmin GPS 12 Quick Reference Guide Vintage 1997 Manual Part 190-00143-01 Rev A Vintage Garmin GPS 12 Quick Reference Guide from 1997. This original paper manual provides essential operating instructions for the classic handheld GPS unit, including power on sequences, keypad usage, mark position, and navigation functions. A great replacement for a missing manual or a collectible for vintage tech enthusiasts. Note: The guide shows significant foxing/spotting and wear consistent with age and outdoor use. Measurements: • Height: 6" • Width (Folded): 2.75" • Width (Unfolded): 8.25" #Casual