TM 1-1680-359-10
2-7. OPERATING PROCEDURE (Cont)
(2)
The average burning time of the nighttime signal is 18 seconds and can be seen for 2 to 3 miles from
an altitude of 3000 feet. During day-time, the smoke signal can be seen for 2 to 3 miles from an
altitude of 3000 feet.
WARNING
Do not attempt to ignite both ends of a signal at the same time. Injury from burns may result.
(3)
To activate the smoke signal, proceed as follows:
(a)
Remove the paper or plastic cap from either the smoke or illumination end of the signal.
(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 index finger of your free hand into pull ring, which should break the soldered end of cap
free. If soldered cap does not release, bring the pull ring down over the rim of
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