TM 55-1680-350-10
end (flare end) contains a pyrotechnic composition for illumination during nighttime
use. The illumination end of the signal can be identified by a series of embossed
projections located 1/4 inch below the end cap. The average burning time of the
illumination signal is 18 seconds and when used at night as recommended, it can be
seen at a distance of two to three miles from an altitude of 3000 feet. To activate the
smoke and illumination signal, proceed as follows:
WARNING
Do not attempt to ignite both ends of a signal at the same time.
a. Remove paper or plastic cap from either the smoke or illumination end of the
signal, as applicable.
b. Grasp the signal firmly with one hand and hold the signal close to the chest
in a horizontal position with each end of the signal pointed away from the body.
c. Insert the index finger of your tree hand into the pull ring which shall break
the soldered end of the cap free. If the soldered cap does not release, bring the pull
ring down over the rim of the can and press down with the heel of your hand, using
the ring as a lever to break the seal.
2-15
