GCL-GCXOPENCLOSESTOPCALRUN SCROLLSCROLLSETCLEARMAX RUN TMR SETFigure 15Resetting the MRT (The Max Run Timer is set automatically once the unit iscycled between Limits. The Max Run Timer prevents the unit from running continuouslyin the event of a problem. The MRT’s are set to the time required to run from one limit tothe other, plus 5 seconds (nominal). When the MRT is exceeded, the operator stops andwill not respond to any command until it is reset by pressing one of the calibration keysor by cycling power to the unit.CAUTION: The MID-STOP feature must be turned off in order to properly setthe Max Run Timer.CALRUNALUNLLSCROLLSETCLEAROCALRUNROLLOPENCLOSESTOPCALRUN SCROLLSCROLLSETCLEARODC STB ONFigure 16NOTE Installation of Series II Monitored Photocells DOES NOT make the GCX unit legal forresidential use. The Genie® Company strictly prohibits any installation of a commercialunit in any residentially zoned construction.Monitored Reversing DevicesWARNING: Photocell systems provide entrapment protection when mountednear the doorway in such a way that the lower portion of an individuals leg willbreak the photocell beam during normal walking through the doorway.CALRUNCALSETCLEARSCROLLOP NLOSCALRUNSCROLLC OC ACARUNCROLLTO RESET1) Press CAL/RUN to enter calibration mode.2) Press SCROLL (up or down) until display reads ”MAX RUN TMR > SET.” Fig. 15.3) Press SET/CLEAR until display reads ”MAX RUN TMR > CLR.”4) Press CAL/RUN to return to RUN mode.5) Cycle the door between limits.NOTE::The Max Run Time must be reset each and every time the Travel Limits are adjusted.ODC Safe-T-Beams® (OPTIONAL)1) If operator is in RUN mode, press CAL/RUN to enter calibration2) Press SCROLL (up or down) until display reads “ODC STB>ON”“ODC STB>OFF” Figure 163) Press SET/CLEAR key to toggle between ON and OFF.4) Press SCROLL (up or down) to shift to a new function and lock setting.5) Press CAL/RUN to return to run mode.6.7Current UL Approved Monitored Reversing Devices:1) MillerEdge ME and MT series monitored edge sensors used incombination with Timer-Close Module P/N OPABTCX.S.2) MillerEdge ME and MT series monitored edge sensors used incombination with OPAKMEIGX.S Interface Module. (Directconnect through STB inputs).5) Monitored Photocells P/N OPAKPEN4GX.S.3) Residential Safe-T-Beam® Monitored Photocells from The Genie®Company, model OSTB-BX (P/N 38176R.S).4) Series II Safe-T-Beam® Monitored Photocells (P/N OPAKPE.S).www.geniecompany.com 08-12Counter Door Operator