Owner'sGuideto installationand UseModel 9521A Drive and Controller, 117 VACModel 9521EU Drive and Controller, 230 VACModel 9537A Controller Only, 117 VACModel 9537EU Controller Only, 230 VACCAUTION: Read and adhere to all IMPORTANT SAFEGUARDS listed elsewhere in thisbooklet. Read and observe safety, installation and operating instructions supplied withthis unit and with your antenna BEFORE installation or operation. Retain this booklet andall instructions for your safety and future reference.Controller Compatibility - If purchased separately, the Model 9537 controller may be used with thefollowing rotator drive units:Channel Master e- Models 9500, 95!0(A), 95t2, 9513, 9515(A)Radio Shack _ - Model 15-1225If you are upgrading an existing installation with Model 9537 controller, skip to "Model 9537Programmable Controller" in this leaflet°Drive Unit InstallationSTEP 1 - Determine proper size number of rotator cable from chart. Three conductor cable issuitable, but if four conductor cable is used, connect both conductors 3 and 4 to terminal 3 of theterminal board.GageAVVG MM22 0,622 0,620 0,820 0,8t8 ! ,018 i_0No. of Maximum LengthConductors Feet Meters3 180 554* 200 613 280 854* 310 953 445 I364* 510 I55*Attach 3 and 4 conductors to No. 3 terminals on control and drive°STEP 2 - Install drive unit. On new drive units, arrow on mast support should be aligned with arrow shapedmast stop on housing. Install drive unit with arrows pointing south.. Using a short piece of mast (3 feet orless), install the antenna to the drive unit aiming the antenna south,. When desired channels are close to oron opposite sides of the north end stops, the antenna may be installed pointing north,. Note, however, thatthe antenna will then be pointing in the opposite direction from that indicated on the control..An alternative means of setting up is to perform a synchronization of the drive unit using the controller_ Thenset up the antenna pointing north.. Ensure power is disconnected from the controller whenmaking antenna adjustments.