RangeFinder	KEYWORD1
AP_RangeFinder	KEYWORD1
AP_RangeFinder_SharpGP2Y	KEYWORD1
AP_RangeFinder_MaxsonarXL	KEYWORD1
AP_RangeFinder_MaxsonarLV	KEYWORD1
init	KEYWORD2
read	KEYWORD2
filter	KEYWORD2
set_orientation	KEYWORD2
raw_value	KEYWORD2
distance	KEYWORD2
max_distance	KEYWORD2
min_distance	KEYWORD2
orientation_x	KEYWORD2
orientation_y	KEYWORD2
orientation_z	KEYWORD2