Eight RETRO RADIO, Instructions Manual, Page: 25 / 36

The radio IC has a scan input (S) to start the station scan. The corresponding push-button is placed between the positive oper
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ating voltage and the S input. To build the push-button, you use hook-up wires that will connect the BAT terminal to the S input
when they touch each other. Bend the wires so that they make contact when you push them slightly.
Momentarily touching the push-button causes the radio to search for the station of the next higher frequency. After reaching
the last station, the scan ends.
Another push-button is attached to the reset input (R) of the receiver board. A touch of this button resets the receiving fre
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quency to the lower end of the FM range. Now you can restart the scan by touching the scan button.
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