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Do not use an earphone or headphones with your scanner when operating a motor vehicle or riding a bicycle in or near traffic. Doing so can create a traffic hazard and could be illegal in some areas.
If you use an earphone or headphones with your scanner while riding a bicycle, be very careful. Do not listen to a continuous broadcast. Even though some earphones/ headphones let you hear some outside sounds when listening at normal volume levels, they still can present a traffic hazard.
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In a noisy area, an extension speaker (not supplied) available at your local RadioShack store, might provide more comfortable listening. Plug the speaker cable's 1/8 inch (3.5 mm) 
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Once you understand a few simple terms used in this manual and familiarize yourself with your scanner's features, you can put the scanner to work for you. You simply determine the type of communications you want to receive, then set the scanner to scan them.
A frequency is the receiving signal location (expressed in kHz or MHz). To find active frequencies, you can use the search function.
You can also search the One Touch Search Banks, which are preset groups of frequencies categorized by type of service.
When you find a frequency, you can store it into a programmable memory location called a channel, which is grouped with other channels in a
About Your Scanner
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