| 5. Contactless Safety Edge" The Contactless Safety Edge' ic p.-; stop accidents before they can happen, while permitting extremely fast door speeds. The sensitive through-beam photocells travel up and down with the door. If an object Is detected, the door reverses immediately before contact. 6. Impact Resistant Bottom Beams Engineered for a variety of app icoi !!'.-■ r ■ . i • ■ i 1 :■-- :■■ ■■ !■..!!?: Self Repair Device (SHD)- iVo dcvvii:irn-i\ n Irs event at an impact the SRD automatically resets tie door for opsrn::v Rapid Reset System (RRS) ■ I : ■. s .'. i ii Ihere may be heavy winds. The RRS allows for an easy manual reset of the de'rol It \!c tools oio rcqu led and "ho model 670 is back In operation in seconds A fixed bottom beam is also available. 7. Heavy-Duty Side Frames The 12 and 14-gauge self-supporting gavanneal steel side frames are standard and feature hinged steel covers Ihal protect 1he balance and tension system. Also standard are front and rear |