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13406 SE 32nd St, BELLEVUE WA, 98005 WWW.CONSUMER.STEPPIR.COM TEL: (425)-453-1910
If you have a prewired EHU, you may skip to page 27.
Figure 3.40 gives an overview of the inside of a SteppIR EHU. Wiring of each EHU will be cov-
ered in detail on the following pages.
NEVER ATTEMPT ANY WIRING WHILE THE ELECTRONIC CONTROLLER IS CONNECTED
TO THE CONTROL CABLE. Even if the power is turned off for the controller, damage can oc-
cur. This is the number one cause of antenna installation failure, so please be sure to heed the
advice.
EHU terminal header
Spool with copper tape
Element Support Tube (EST)
Balun (yagi driven EHU only)
SO-239 (driven EHU only)
Sprocket/Stepper motor
Platen
Control cable routing tray
Figure 3.40
EHU OVERVIEW
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