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Temporary Mobile Operation For Temporary Mobile Operation, you may want to purchase an additional cigarette lighter adapter from your Cobra dealer. This adapter and a magnetic mount antenna allow you to quickly “install” your transceiver for temporary use. EXTANT13.8V DCPATemporary Mobile Operation NOTE Red Wire is connected to positive side of socket center tip. Black Wire is connected to negative side contacts. Radio resets to CH 9 when connected to cigarette lighter plug. When using the unit with cigarette adapter, turn off when not in use to avoid draining the battery. Operation • On-Off/Volume Knob Adjust Squelch/RF Gain Knob Operating Procedure to Receive Be sure that power cord, antenna and microphone are connected to the proper connectors before proceeding further. The CB/PA switch should be in the CB position. To receive: 1. Turn the radio on by rotating the On-Off/Volume knob clockwise. 2. Rotate the Squelch/RF Gain knob counterclockwise until incoming signal is heard. 3. Select the desired channel. 4. Set the On-Off/Volume knob and the Squelch/RF Gain knob to a comfortable listening level. Operating Procedure to Transmit Be sure the antenna is properly connected to the radio before transmitting. Prolonged transmitting without an antenna, or with a poorly matched antenna, could cause damage to the transmitter. Press-to-Talk Switch To transmit: 1. Select the desired channel. 2. The receiver and transmitter are controlled by the Press-to-Talk switch on the microphone. Press the switch and the transmitter is activated; release switch to receive. When transmitting (on a clear channel), hold the microphone two inches from the mouth and speak clearly in a normal voice. 8 English Nothing comes close to a Cobra® Operating Your CB Radio Frequency RangesMaintenance/Adjustment Operating Your Mobile RadioOperating Your Mobile Radio Operating Your CB Radio Frequency RangesMaintenance/Adjustment Operating Your Mobile RadioOperating Your Mobile Radio Maintenance/Adjustment • Your Cobra CB transceiver is specifically designed for the environment encountered in mobile installations. The use of all solid state circuitry and its light weight result in high reliability. Should a failure occur, however, review the following, then if necessary, replace parts only with identical parts. Do not substitute. Check Power Source Check Fuses in DC Power Cord 1. Check connections to the source of power and make sure it is the 13.8 VDC required to operate your radio. 2. Check the fuses in the DC power cord. The main power lead (red) has a two amp 3AG type fuse in its holder. Use only the above specified type and size fuse for maximum protection. Failure to do so will void the warranty. 3. Make certain the microphone is properly plugged in. 4. Make certain the antenna is properly assembled and connected. If you are unable to correct the problem, refer to product service on page 14 for the correct procedure for warranty and post-warranty service from Cobra. Check Microphone Connection Check Antenna Connection 10 English Frequency Ranges • The Cobra 19 DX IV transceiver represents one of the most advanced AM two-way radios for use as a Class D station in the Citizens Radio Service. This unit features advanced Phase Lock Loop (PLL) circuitry providing complete coverage of all 40 CB channels. CB Channel Frequency Channel in MHz 1 26.965 2 26.975 3 26.985 4 27.005 5 27.015 6 27.025 7 27.035 8 27.055 9 27.065 10 27.075 11 27.085 12 27.105 13 27.115 14 27.125 15 27.135 16 27.155 17 27.165 18 27.175 19 27.185 20 27.205 CB Channel Frequency Channel in MHz 21 27.215 22 27.225 23 27.255 24 27.235 25 27.245 26 27.265 27 27.275 28 27.285 29 27.295 30 27.305 31 27.315 32 27.325 33 27.335 34 27.345 35 27.355 36 27.365 37 27.375 38 27.385 39 27.395 40 27.405 Nothing comes close to a Cobra® 11 SpecificationsOperating Your Mobile Radio Warranty Warranty and TrademarkAcknowledgement Operating Your Mobile Radio Warranty Warranty and TrademarkAcknowledgement Specifications • CB – 40 CH CB – 26.965 to 27.405 MHZ 0.005 % PLL (Phase Lock Loop) Synthesizer -30° C TO + 65° C Plug-in dynamic 13.8VDC nom. (negative ground) Transmit: AM full mod., 1.4A (maximum) Receive: Squelched, 0.9 A; full audio output, 1.2A (nominal) 67.8" D x 63.4" W x 17.8" H 3.25 lbs. UHF; SO-239 LCD’s; indicates relative power output and received signal strength 4 watts AM (Amplitude Modulation) 300 to 3000 Hz 50 ohms, unbalanced Less than 1 .V for 10dB (S+N) 6 dB @ 7 KHz, 60 dB @ 10KHz 60 dB, typical 50 dB, typical Built-in Limited One-Year Warranty • For Products Purchased in the U.S.A. Cobra Electronics Corporation warrants that its Cobra CB radios, and the component parts thereof, will be free of defects in workmanship and materials for a period of one year from the date of first consumer purchase. This warranty may be enforced by the first consumer purchaser, provided that the product is utilized within the U.S.A. Cobra will, without charge, repair or replace, at its option, de...