It is a laser based measuring device. You look through the viewfinder and point the sight at the top of the flag or to where you want the measurement and the laser bounces off it and back to the rangefinder telling you how far it is. They are extrememly accurate.
The adverb in the sentence is out, modifying the verb rang (rang how, rang out).
"Rang" is the past tense of "ring."
We jumped out of bed when the alarm rang. The kids went out for recess when the bell rang. She woke up from her nap when the phone rang. When Grandma rang the dinner bell, we all rushed to the table. When the fire alarm rang, we left the building.
Rang means classroom.
milad manaya kar tannu rang laga java'nagay rang laga java nagay rang laga java nagay hu thanu rang laga java nagay
The future tense for rang is will ring.
Sakaler Rang was created in 2009.
Rang was created on 1993-07-09.
Zhai Rang died in 617.
Rang Rasiya was created in 2008.
Rang Raz's population is 369.
Henri Rang was born in 1902.