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SIGMA TANDEM SYSTEM OWNER’S MANUAL
11301 - 00.00.0000 Section 2: Equipment • Chapter 2 - Operation
quickly. We recommend that sometime during main canopy flight, that the black toggles be peeled
off the velcro and then reattached so the loop opening is easier to access later when needed.
Toggles familiarization
Stop at this point and practice the release of the brakes and the set up of the “Double Brake
System”. Practice by releasing the toggles and brakes as well as reassembling them. Do this with
the rig outstretched on the floor as well as with a suspended harness if available.
STUDENT HARNESS ADJUSTMENT GUIDE
The Sigma / Vector Student Harness is quite a departure from previous tandem student harnesses.
It was designed, with the help of a cardiologist, to safely contain the human body without cutting
off normal blood flow. Disrupted blood flow is why almost all students on older student harnesses
were uncomfortable, and why many got sick or even passed out.
A hip-hugging horizontal back and belt strap combination allows the main lift webs to be positioned,
and held, more toward the front of the upper body than on other designs. This prevents the
“squeezing” of the upper body and the inside of the upper legs which can cut off blood flow. It
also automatically lifts the legs up and forward after opening, putting them in a safer position for
landing.
The Student Harness was designed to
comfortably and safely fit a wide range
of body sizes. To accomplish this, it has
twelve points of adjustment. This wide
range of adjustment means that it is
possible to give a tandem student a truly
comfortable experience on their tandem
skydive. However, the harness must
still be adjusted securely to fit the
student’s body to prevent them from
falling out in extreme situations and
unusual body positions.
While fitting this harness on a tandem
student is not difficult, it is different from
other harnesses you may used in the
past. The most important point to
consider is the security of the student.
You must insure that all straps are
comfortably snug against the student’s
body.
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