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Section 2.1: EHU mechanical test
Read the controller operator manual so that you are familiar with its operation. You will need an ohm meter or
continuity tester for most of these tests. At this time the controller should NOT be connected to your radio or
computer. Also the fiberglass pole should NOT be installed on the antenna.
1.
With the control cable NOT CONNECTED to the controller, turn the controller on. It should indicate that
the elements are home. If not, push the RETRACT button. After the controller is finished tuning it may turn
off. If it does, you will need to turn the controller back on. The controller will now indicate that the elements
are home
”.
2.
Turn off controller, remove the power cable.
3.
Now CONNECT the control cable to the controller. Plug in the power cable and power on the controller
4.
ENSURE THAT ALL THE ELEMENTS ARE CLEAR OF ANY OBSTRUCTIONS.
The copper tape will be
extended into the cpvc stub of the EHU.
5.
Go into Setup mode by pressing the SETUP button and navigate to the
“
Motors Test
”
menu.
6.
Ensure that the driven element is selected
(DE = DVR = driven),
then select
“
out
”
to extend the copper
from the CPVC stub of the EHU (see figure 2). For the OptimizIR controller, this will stick out approximate-
ly 3.75 inches, with the SDA100 the copper will still be inside of the CPVC stub.
7.
At this point you may select
“
switch
”
(OptimizIR only) in order to audibly confirm the operation of the 80m
coil.
8.
If any of the tapes do not extend, or the individual EHU/element does not correspond to the correct con-
troller description, (I.E.: the antenna coil is controlled by the DE/DVR position on the controller.) STOP,
retract the elements, disconnect the control cable and correct any wiring errors. Then start at the begin-
ning of these instructions.
9.
If the tape extends properly, press the retract button to retract the elements and proceed to the next as-
sembly step.
1.
EHU/COIL WIRING TESTS
Figure 2
3.75”
2.95”
SDA100 (inset)
OptimizIR (extended)