Programmable Antenna Rotator Controller
with Infra-Red Remote Control
Owner’s Guide to Installation and Use
Model 9521A Drive and Controller, 117 VAC
Model 9521EU Drive and Controller, 230 VAC
Model 9537A Controller Only, 117 VAC
Model 9537EU Controller Only, 230 VAC
CAUTION: Read and adhere to all IMPORTANT SAFEGUARDS listed elsewhere in this
booklet. Read and observe safety, installation and operating instructions supplied with
this unit and with your antenna BEFORE installation or operation. Retain this booklet and
all instructions for your safety and future reference.
Controller Compatibility - If purchased separately, the Model 9537 controller may be used with the
following rotator drive units:
Channel Master
®
- Models 9500, 9510(A), 9512, 9513, 9515(A)
Radio Shack
®
- Model 15-1225
If you are upgrading an existing installation with Model 9537 controller, skip to “Model 9537
Programmable Controller” in this leaflet.
Drive Unit Installation
STEP 1 – Determine proper size number of rotator cable from chart. Three conductor cable is
suitable, but if four conductor cable is used, connect both conductors 3 and 4 to terminal 3 of the
terminal board.
Gage No. of Maximum Length
AWG MM Conductors Feet Meters
22 0,6 3 180 55
22 0,6 4* 200 61
20 0,8 3 280 85
20 0,8 4* 310 95
18 1,0 3 445 136
18 1,0 4* 510 155
*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 shaped
mast stop on housing. Install drive unit with arrows pointing south. Using a short piece of mast (3 feet or
less), install the antenna to the drive unit aiming the antenna south. When desired channels are close to or
on opposite sides of the north end stops, the antenna may be installed pointing north. Note, however, that
the 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.Then
set up the antenna pointing north. Ensure power is disconnected from the controller when
making antenna adjustments.
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