ELECTRICAL WARNINGEnsure there is No power to the Opener before installingSafe-T-Beam® System Wires. If Opener is plugged into outlet,Unplug it now.NOTEThe Opener will not close the door automatically unless theSafe-T-Beam® System is installed.A Install Safe-T-Beam ® Source and Sensor (Figure 25):• Mark both sides of garage door frame or wall 6"above floor.Hold Bracket against door frame or wall. Check if Bracketextends out from wall far enough so tongue of Bracket isbeyond door, tracks, or any door hardware. If not, Safe-T-Beam ® Mounting Bracket Extensions are available from aGenie Factory Authorized Dealer or through theAccessories Order Form.- Blocks of wood, etc. may be substitutedfor extensions.Position top of Mounting Bracket at 6" mark and fastenwith 2 (#10-16 x 1-1/4") Phillips Hex Head Screwsper Bracket.NOTEMounting Brackets can be attached to brick walls or concretefloor using masonry anchors (not included).B Attach Safe-T-Beam ® Source (Red LED) and Sensor (GreenLED) to Brackets (Figure 2S):For single-door garages.- Determine which side of garage receives the mostdirect sunlight, and place Source (Red LED) on thisside whenever possible.For multiple-door garages see (Figure 26).- Preventing crossed signals is critical.- Place Source and Sensor modules on adjacent doorsfacing in opposite directions.NOTETo help prevent interference from the sun, the Safe-T-Beam®Sensor (Green LED) may be placed further away from thedoor opening, where it will spend more time in the shadows.• ®Slide the Safe-T-Beam Source and Sensor onto thetongues of the Brackets until they click into place.• Check final height of Lens (Figure 27).Safe-T-Beam ® Sensor(Green LED)Safe-T-Beam ® Source(Red LED)Slide ontotongue ofBracket until._. J i:_1it clicks into 4_// Top ofplace !/i}i _. Bracket 6"I above[floorFigure 25 Install Safe-T-Beams ®ONE DOORGARAGETWO DOORGARAGETHREEDOORGARAGEFigure 26 Source/sensor LocationsTop edge of Lens5" - 6" above floorFigure 27 Final Check Safe-T-Beams ®