2112 116TH AVE NE SUITE 1-5, BELLEVUE WA, 98004 WWW.STEPPIR.COM TEL: (425)-453-1910 FAX: (425)-462-4415
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TUNING RELAY OPTION
The Tuning Relay Option protects the antenna from damage during tuning with high power.
With the Tuning Relay Option we have provided a 3.5mm stereo connector that will plug into
the “PTT” (Push to Talk) outlet. The user will need to wire the Tuning Relay Option between
the Radio and Transmitter. Due to the many different types of transmitters and radios the
cable is not provided and must be made by the user. Refer to Figure 7 for the wiring dia-
gram for the Tuning Relay Option.
REMOTE DRIVER BOARD OPTION
This option is for the user that needs to have his/her tower a considerable distance
from the shack and controller. The problem this creates is line loss due to cable
lengths over 500ft. This option solves that problem by placing another driver board at
the base of the tower and connecting it remotely to the controller in the shack by use of CAT
5 cable. Now the user only needs to run the control cable up the tower. This option allows
the user to have the shack and the remote driver board up to 2000ft away from each other
without any problem with line loss.
This option allows for more flexibility for antenna placement but it requires a 100-240V
power source out at the tower. With the purchase of the Remote Driver Board there will be a
24V power supply, this is used to power the remote board at the tower. Also provided is a
mounting plate for mounting the driver board in dry location out by the tower. This will also
act as a grounding plate and should be connected to a good ground. Refer to Figure 8 for
wiring details.
Figure 7
Tuning relay
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