User manual. View the manual for the Nikon CoolShot 40i here, for free. This manual comes under the category Laser Pointers and has been rated by 1 people View online (68 pages) or download PDF (2 MB) Nikon PROSTAFF 7i, COOLSHOT 40i User manual • PROSTAFF 7i, COOLSHOT 40i laser levels PDF manual download and The Nikon COOLSHOT 40i Golf Laser Rangefinder features ID Technology, allowing stress-free club selection when facing a shot with elevation change.COOLSHOT 40i viewfinder display example (for uphill): The upper figure shows the "slope adjusted distance" while the one below