Radio Shack PRO-433 Antenna, External speaker, Connecting an external speaker mutes the scanner’s

Quick Start

antenna

Expand the antenna according to the frequencies you want to montitor:

Frequency	Antenna Length
25-174 MHz	Extend fully (4 segments)
400-512 MHz	Extend half (2 segments)
806-1300 MHz	Collapse fully (1 segment)

The scanner’s ANT jack supports a variety of antennae (available at RadioShack).

ANT Match the antenna connector arrow to the ANT jack’s upper projection.

•An external antenna is optional if

NOTES you use your scanner as a base station. If you mount your scanner in your vehicle, you will need to connect an external antenna.

•The antenna should be as high as possible and vertical for best performance.

•Keep the antenna and cable as far as possible from sources of electrical noise, such as appliances or other radios.

Always use 50-ohm coaxial cable, such as RG-58 or RG-8, to connect an outdoor antenna. For lengths over 50 feet, use RG-8 low-loss dielectric coaxial cable. You also may need a BNC adapter (not supplied).

external speaker

To use an external speaker (available at your local RadioShack store), plug the speaker’s 1/8 inch (3.5 mm) plug into the scanner’s

EXT SP jack.

NOTE	Connecting an external speaker mutes the scanner’s
	internal speaker.

CAUTION: Use extreme caution when installing or removing an outdoor antenna. If the antenna starts to fall, let it go! If the antenna touches a power line, touching the antenna, mast, cable, or guy wires can cause electrocution and death. Call the power company to remove the antenna. Do not attempt to do so yourself.

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