GCL-GCXOPENCLOSESTOPCALRUN SCROLLSCROLLSETCLEARGDO TYPE J-SHAFTFigure 3Operator Type Fig. 3CALRUNCALRUNSCROLLSSETCLEAROperator circuit boards are available for use in jackshaft or trolley configurations. The samecontrol board is used for either configuration, however the control board must be setfor the appropriate GDO configuration. A board set for trolley mode will not work in ajackshaft operator and vice-versa.NOTE: The GDO type is factory set. The installer should not have to set thisfeature. However, if the GDO type is inadvertently changed, or if a board needsto be replaced in the field, follow these instructions to set GDO type.1) Press CAL/RUN to enter calibration mode.2) Press SCROLL until display reads “GDO TYPE > .”This will display the current GDO type.3) Press SET/CLEAR until display indicates correct GDO type.)TFAHS-J(4) Press CAL/RUN to return to run mode.7.2www.geniecompany.com 08-12Counter Door Operator