Invacare TDX SP2 series User Manual page 87

Seat belts may not be held at a distance from the user's body using
parts of the wheelchair such as armrests or wheels.
1578997-A
The pelvic belt should be positioned in the area between the user's
pelvis and thighs so that it is unobstructed and not too loose. The
ideal angle of the pelvic belt to the horizontal is between 45° and 75°.
The maximum permissible angle is between 30° and 75°. The angle
should never be less than 30°!
Transport
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