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Customer Reviews for the MFJ-927.

From: Dennis KG4RUL
What is great about it is no extra wires to run! The unit is supplied with DC power via an injector in the coax run. All you need is to transmit a low power signal to the unit and it tunes!

My unit is currently operating with a 41' flagpole antenna. I have added a 1K resistor to the tuner jack of my TS2000(x) which enables it, when the "AT" button is pressed for 1-2 seconds, to initiate a tuning sequence:
- Radio remembers current power and mode settings
- Goes into CW mode
- Sets power to 10W
- Keys up

I watch the SWR readout and when it stabilizes, I momentarily press the "AT" button again:
- Radio unkeys
- Restores previous mode and power setting

Easy and quick!

While the unit is not waterproof, if it is mounted with the plastic box up, it can survive almost anything short of immersion. I also ran a bead of silicone sealant around the junction of the metal chassis plate and the plastic box for further sealing.


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