Inspire VLF-3, Руководство по сборке

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VLF-3 Rev #1C Assembly Instructions
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6a. Test the audio output
Plug some headphones in the audio output jack.
Turn on the “RECEIVER POWER” switch (main power switch).
Turn on the “AUDIO POWER” switch and slowly turn the “AUDIO LEVEL” up.
You should hear a loud hum as you pick up the 60 hertz signal given off by building
wiring.
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6b. Test the data output
Connect the “DATA” output jack with the microphone input of the cassette recorder
using a stereo cable.
Connect headphones to the recorder.
Put a tape in the recorder and press “RECORD”. (Put the recorder on “PAUSE” if you
do not want tape running during this test.)
Turn on the “RECEIVER POWER” switch and slowly turn the “DATA LEVEL” up. You
should hear the same signal as you did through the audio output.
Plug a microphone into the MIC IN jack. Slide the switch to the MIC position. You
should hear the 60 hertz hum in one ear and the microphone input in the other ear.
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6c. Field test your receiver
To ready your receiver for field testing, you will need a better antenna and a better
ground.
If you need to purchase an antenna, below are links to a few options:
Buddipole: http://www.buddipole.com/lotewh.html
AeroSmith (MFj 1956 or smaller): http://www.aero-smith.net
A 2-meter length of sturdy wire will work almost as well but is slightly less easy to
transport.
A good ground is a metal stake or pipe driven into the ground. Attaching a wire from the
ground terminal to the stake will provide a good ground. Attaching a wire from the
ground terminal to the body of a car (a counterpoise) will work also. In a pinch, you can
touch the ground terminal and use your body as a ground.
If you hear a loud squeal as the output, check the output level and the ground
connections.