21-1706.fm Page 1 Wednesday, January 9, 2002 8:37 AM 40 Channel Mobile CB Please read before using this equipment.
1-1706.fm Page 2 Wednesday, January 9, 2002 8:37 AM Features Your RadioShack 40 Channel Mobile CB is a great way to communicate with other CB radio operators. You can mount it in a vehicle for mobile use, or in your home for use as a base station. Automatic Modulation Control — prevents the transmitter signal from over-modulating and distorting. Automatic Noise Limiter — reduces impulse-type noises while receiving.
21-1706.fm Page 3 Wednesday, January 9, 2002 8:37 AM Your CB radio might cause TV or radio interference even when it is operating properly. To determine whether your CB is causing the interference, turn off your CB. If the interference goes away, your CB is causing it.
21-1706.fm Page 4 Wednesday, January 9, 2002 8:37 AM • The CB is not directly in front of heating vents. • All wires and cables can reach their connection points. Warnings: • If you use the CB in a vehicle, mount it securely to avoid damage to the CB or vehicle or injury to anyone in the vehicle during sudden starts or stops. tapping screws and plain washers to secure the bracket. 4.
21-1706.fm Page 5 Wednesday, January 9, 2002 8:37 AM the ANTENNA jack on the back of the transceiver. To disconnect the microphone from the transceiver, press the tab on the side of the plug. Then pull out the plug. Caution: Never pull on the microphone cable. CONNECTING AN EXTERNAL SPEAKER Antenna You can connect your transceiver to an external CB speaker, so you can hear an incoming call when you are outside your vehicle, or use the CB as a PA system.
21-1706.fm Page 6 Wednesday, January 9, 2002 8:37 AM Note: 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. USING VEHICLE BATTERY POWER Follow these steps to connect the transceiver to vehicle battery power. CONNECTING THE COMPASS Insert the compass cable’s plug into SENSOR on the back of the CB. Do not place the compass cable near the DC cord or the antenna cable.
21-1706.fm Page 7 Wednesday, January 9, 2002 8:37 AM power supply, read and follow the instructions included with the power supply. 3. Connect the transceiver’s black power wire to the negative (–) terminal on the DC power supply. • base station antenna. • coaxial antenna cable and connectors, available at your RadioShack store. For the best performance, place the antenna as far as the cable length. 4.
21-1706.fm Page 8 Wednesday, January 9, 2002 8:37 AM Operation counterclockwise to reduce the receiver’s sensitivity. Before you use your CB, you should know how to use it effectively and courteously. “Transmission Courtesy” on Page 10 contains information that will help you get more enjoyment from your CB. To turn off the CB, turn VOLUME to OFF until it clicks. TRANSMITTING RECEIVING TRANSMISSIONS AND ADJUSTING SQUELCH Note: we recommend you try receiving before you transmit. 1.
21-1706.fm Page 9 Wednesday, January 9, 2002 8:37 AM USING THE PA AMPLIFIER Your CB has a built-in PA (public address) amplifier. With an optional PA speaker (see “Connecting a PA Speaker” on Page 5), you can turn your radio into a mobile public address system. 1. Turn on the transceiver. Set PA/MON/CB to PA. F7 appears. 2. To transmit, hold down PUSH TO TALK on the microphone. Hold the microphone 2–3 inches from your mouth and speak in a normal tone of voice.
21-1706.fm Page 10 Wednesday, January 9, 2002 8:37 AM location number to switch to the stored channel. The channel number, C;C and the memory location number appear. TRANSMISSION COURTESY Follow these guidelines for radio courtesy when using your CB. Note: When you rotate the channel selector or press UP or DOWN on the microphone to turn to the channel stored in the memory, C;C and the memory location number appear. • Wait for a pause in someone else’s transmission before you ask for a break.
21-1706.fm Page 11 Wednesday, January 9, 2002 8:37 AM Code • The number of nearby radios operating on the same channel Meaning 10-15 Message delivered. 10-16 Reply to message. 10-17 En route. 10-18 Urgent. 10-19 Contact _____. 10-20 What is your location? 10-21 Call _____ by telephone. 10-22 Cancel last message. 10-23 Arrived at the scene. 10-24 Assignment complete. 10-25 Meet _____. • Standing wave ratio (SWR) between the antenna and the CB.
21-1706.fm Page 12 Wednesday, January 9, 2002 8:37 AM Troubleshooting If your CB is not working as it should, follow these suggestions to see if you can eliminate the problem. If you cannot, take the CB to your local RadioShack store for assistance. Symptom CB has trouble receiving. Check/Try Turn transceiver power on. Microphone connected? Secure connections. Antenna connected? Secure connections. Too much squelch? Adjust as needed. Radio not on operating channel? Switch to an active channel.
21-1706.fm Page 13 Wednesday, January 9, 2002 8:37 AM REDUCING NOISE CARE Because your CB is exceptionally quiet, any noise you hear is probably from an external source in your vehicle such as the alternator, another radio or spark plugs. To enjoy your CB for a long time, keep the CB dry. If it gets wet, wipe it dry immediately. Use and store the CB only in normal temperature environments. Handle the CB gently and carefully. Do not drop it. Keep the CB away from dust and dirt.
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21-1706.fm Page 16 Wednesday, January 9, 2002 8:37 AM Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for ninety (90) days from the date of purchase from RadioShack companyowned stores and authorized RadioShack franchisees and dealers.
§ 95.222 47 CFR Ch. I (10–1–01 Edition) (3) Tune a receiver to your R/C transmitter. (Secs. 4(i) and 303(r), Communications Act of 1934, as amended, 47 U.S.C. 154(i) and 303(r), and sec. 553 of the Administrative Procedures Act, 5 U.S.C. 553) (c) In writing, to FCC, Attention: R/ C, 1270 Fairfield Road, Gettysburg, PA 17325–7245. [63 FR 68976, Dec. 14, 1998] Subpart D—Citizens Band (CB) Radio Service [48 FR 24890, June 3, 1983, as amended at 49 FR 20673, May 16, 1984; 63 FR 36610, July 7, 1998] § 95.
Federal Communications Commission § 95.405 the transmission of patient medical information to a central monitoring location in a hospital or other medical facility. Voice and video communications are prohibited. Waveforms such as electrocardiograms (ECGs) are not considered video. The rules for this service are contained in subpart H of this part.
§ 95.406 47 CFR Ch. I (10– 1– 01 Edition) (1) An agency of the United States other than the FCC. (You are subject to its rules.) (2) Any foreign government. (You are subject to its rules.) (c) An aircraft or ship, with the permission of the captain, within or over any area of the world where radio services are regulated by the FCC or upon or over international waters. You must operate your CB station according to any applicable treaty to which the United States is a party.
Federal Communications Commission § 95.411 (c) You must, at all times and on all channels, give priority to emergency communication messages concerning the immediate safety of life or the immediate protection of property. (d) You may use any channel for emergency communications or for traveler assistance. (e) You must share each channel with other users. (f) The FCC will not assign any channel for the private or exclusive use of any particular CB station or group of stations.
§ 95.412 47 CFR Ch. I (10– 1– 01 Edition) (2) Any other devices which, when used with a radio transmitter as a signal source, are capable of amplifying the signal. (b) There are no exceptions to this rule and use of a power amplifier voids your authority to operate the station.
Federal Communications Commission § 95.419 delayed rebroadcast on a radio or television broadcast station. You may use your CB station to gather news items or to prepare programs. § 95.418 (CB Rule 18) How do I use my CB station in an emergency or to assist a traveler? § 95.414 (CB Rule 14) May I be paid to use my CB station? (a) You may not accept direct or indirect payment for transmitting with a CB station.
§ 95.420 47 CFR Ch. I (10– 1– 01 Edition) § 95.
Federal Communications Commission § 95.601 short time in order to test the transmitter.) (b) You are responsible for the proper operation of the station at all times and are expected to provide for observations, servicing and maintenance as often as may be necessary to ensure proper operation. You must have all internal repairs or internal adjustments to your CB transmitter made in accordance with the Technical Regulations (see subpart E).
