4.Turn on the transceiver by turning VOLUME clockwise

until it clicks. All LCD segments appear briefly. Then the channel and HN appear.

5.Rotate the channel selector, or repeatedly press (or hold down) UP or DOWN on the microphone until the desired channel appears.

6.Adjust VOLUME to a comfortable listening level.

7.To cut out background noise between transmissions, wait until there is no signal, then slowly turn SQUELCH clockwise until the background noise stops.

8.To turn off the CB, turn VOLUME to OFF until it clicks.

64#05/+66+0)

Follow Steps 1–7 in “Receiving Transmissions and Adjusting Squelch.”

To transmit, hold down PUSH TO TALK on the microphone. JN appears. Hold the microphone 2–3 inches from your mouth and speak in a normal tone of voice, then release PUSH TO TALK when you finish. JN disappears.

To turn off the CB, turn VOLUME to OFF until it clicks.

5'.'%6+0)"6*'"'/'4)'0%;"%*#00'.

To select the emergency channel 9, press the channel selector once. Press again to select channel 19. / or '/ flashes. Press one more time to return to the previous selected channel. #"

You can also select Channel 9 or 19 by turning the channel selector or pressing UP or DOWN on the microphone.

To select another channel, rotate the channel selector or press UP or DOWN on the microphone.

75+0)"6*'"2#"#/2.+(+'4

Your CB has a built-in PA (public address) amplifier. With an optional PA speaker (see “Connecting a PA Speaker” on Page 4), you can turn your radio into a mobile public address system.

1.Turn on the transceiver. Set PA/MON/CB to PA. F7 appears.

Using Your CB

#"+/2146#06"#

Channel 9 and Channel 19 are reserved for motorist assistance and for reporting emergency information about accidents, hazardous road conditions, and so on. Always give emergency messages priority on Channel 9 or Channel 19.

±"016'"±"

•We recommend you try receiving before you transmit.

•To avoid acoustic feedback, the speaker should be at least 6 feet from the CB. If you experience feedback, avoid keying the microphone until you have moved the speaker away from the CB.

7

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Radio Shack 21-1706 owner manual 64#05/+66+0, 6+06*/40%%*#00, 75+06*2##/2.++4, Using Your CB
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21-1706 specifications

The Radio Shack 21-1706 is a versatile and compact device that caters to a variety of electronic needs, making it a popular choice among hobbyists, DIY enthusiasts, and professionals. This multifaceted tool combines several functions, allowing users to test, measure, and troubleshoot electrical circuits and components efficiently.

At its core, the Radio Shack 21-1706 serves primarily as a digital multimeter. This functionality permits users to measure voltage, current, and resistance with precision. The device features an easily readable LCD display that provides clear, real-time measurements, thereby enhancing usability even in challenging lighting conditions. The range of measurement capabilities allows users to work on a variety of electronic projects, from basic home repairs to more complex circuit testing.

One of the standout characteristics of the 21-1706 is its ability to perform both AC and DC voltage measurements. This dual capability proves essential in today’s diverse electrical environments where both current types are commonly used. Additionally, the meter’s resistance measurement function is invaluable for diagnosing issues with circuits or assessing the integrity of components.

In terms of design, the Radio Shack 21-1706 is built with user-friendliness in mind. It features a rugged casing that not only protects it from bumps and drops but also ensures longevity for years of reliable use. The well-structured layout of controls makes navigating and selecting different functions straightforward, offering intuitive operation for users of all skill levels.

Another notable feature of the 21-1706 is its continuity tester. This function allows users to quickly check for breaks in circuits, ensuring that connections are intact and operational. In addition, the device is equipped with a diode test function, enabling users to assess the functionality of diodes within electronic circuits.

In conclusion, the Radio Shack 21-1706 stands out as a reliable and practical tool for anyone involved in electronics. Its combination of essential measurement functions, user-friendly design, and robust features make it an invaluable asset for both novice and experienced users. Whether for educational purposes, hobby projects, or professional work, the 21-1706 continues to demonstrate its relevance in the ever-evolving field of electronics.
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