PX4/Firmware — pull request #1497 by thomasgubler (2014-12-13 18:14:01+00:00)
Title: ll40ls: max distance according to datasheet

Datasheet:
http://pulsedlight3d.com/pl3d/wp-content/uploads/2014/11/LIDAR-Lite.pdf

60m is for the laser emitter version.

I don't know how many people use the LED version. If this is an issue we need to make this configurable via the startup configuration.