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19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Page 3 HOW TO USE YOUR 40 CHANNEL CITIZENS BAND 2-WAY MOBILE RADIO WITH INSTANT EMERGENCY CHANNEL 9 MODEL 19 ULTRA...
19.ULTRA.MANUAL.qx 9/15/97 4:09 PM HOW TO USE YOUR CITIZENS BAND 2-WAY MOBILE RADIO 19 ULTRA Contents The CB Story ...1 Introduction Frequency Range...2 Specifications ...3 Installation Location ...4 Mounting and Connections ...4-5 CB Antenna ...6 Ignition Noise Interference ...7 Operation Controls and Indicators ...8-9-10 Operating Procedure to Receive ...11 Operating Procedure to Transmit ...11...
Replacement or substitution of transistors, regular diodes or other parts of a unique nature, with parts other than those rec- ommended by Cobra, may cause violation of the technical reg- ulations of Part 95 of the FCC Rules, or violation of Type Acceptance requirements of Part 2 of the Rules.
19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Introduction Frequency Range Your COBRA CB radio provides high-level, trouble-free performance over the following frequency assignments: Channel Frequency Frequency Channel in MHz 26.965 26.975 26.985 27.005 27.015 27.025 27.035 27.055 27.065 27.075 27.085 27.105 27.115 27.125 27.135...
19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Specifications GENERAL Channels Frequency Range Frequency Control Frequency Tolerance Operating Temp. Range Microphone Input Voltage Current Drain Size Weight Antenna Connector Semiconductors Meter TRANSMITTER Power Output Modulation Frequency Output Impedance Output Protection RECEIVER Sensitivity Selectivity Image Rejection Adjacent CH.
To mount the transceiver: Determine the most convenient location in your vehicle. Hold the COBRA radio with mounting bracket in the exact location desired. If nothing will interfere with mounting it in the desired position, remove the mounting bracket and use it as a template to mark the location for the mounting screws.
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19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Installation (Cont.) Connect the antenna cable plug to the standard receptacle on the unit. Most CB antennas are terminated with a type PL-259 plug which mates with the receptacle marked ÒANT.Ó Connect the red lead of DC power cord to +13.8VDC. In automo- bile installations, +13.8VDC is usually obtained from the accessory contact in the fuse box.
A stan- dard antenna connector (type SO-239) is provided on the transceiver for easy connection to a standard PL 259 cable termination. Cobra loaded- type antenna models ATW-500, AT-55, ATW-1000 and ATW-400 are highly recommended for most installations.
The unit requires very little cur- rent an therefore will not significantly discharge the vehicle battery. Even though the COBRA radio has an automatic noise limiter, in some installations, ignition interference and other forms of automobile gener- ated noise may be high enough to make good communications difficult.
19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Operation Controls and Indicators Refer to controls, indicators and connectors as illustrated below: A. Front Panel Off/On/Volume. Turn clockwise to turn power on and set the desired listening volume. Squelch. This control is used to cut off or eliminate receiver back- ground noise in the absence of an incoming signal.
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19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Operation (Cont.) CB/PA Switch. Selects mode of operation. In the CB position, the PA function is disabled and the unit will transmit and receive on the select- ed channel. The PA function should not be used unless a PA speaker is connected.
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19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Operation (Cont.) C. Rear Panel ANTENNA CONNECTOR: This SO-239 connector permits connec- tion of the transmission line cable male connector to the transceiver. PUBLIC ADDRESS: An external 8-ohm 4.0 watt PA speaker may be connected to the PA Speaker Jack when this unit is used as a public address system.
19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Operation (Cont.) Operating Procedure to Receive Be sure that the power, antenna and microphone are properly con- nected before proceeding further. The CB/PA switch should be in the CB mode. The Channel 9/NOR Switch should be in the NOR mode.
Adjustment Warning Replacement or substitution of certain parts with replacements other than those recommended by Cobra Electronics, may be a violation of the technical regulations of Part 95 of the FCC Rules, or the Type Acceptance requirements of Part 2 of said rules.
19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Appendix Citizens Band radio operators have largely adopted the “10-code” for standard questions and answers. Its use permits faster communications and better understanding in noisy areas. The following table lists some of the more common codes and their meanings: Code Meaning 10-1 Receiving poorly...
19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Appendix (Cont.) A Few Rules That Should Be Obeyed You are not allowed to carry on a conversation with another station for more than five minutes at a time without taking a one-minute break, to give others a chance to use the channel. You are not allowed to blast others off the air by overpowering them with illegally amplified transmitter power, or illegally high antennas.
19.ULTRA.MANUAL.qx 9/15/97 4:09 PM Appendix (Cont.) Use Channel 9 For Emergency Message Only FCC give the following examples of permitted and prohibited types of communications for use on Channel 9. These are guidelines and are not intended to be all-inclusive. Permitted: ÓA tornado sighted six miles north of town.Ó...
Cobra first before sending your unit in. This will ensure the fastest turnaround time on your repair.” You may be asked to send your unit to the Cobra factory. It will be necessary to furnish the following, in order to have the product serviced and returned.
You must pay any initial shipping charges required to ship the product for war- ranty service. The return charges will be at CobraÕs expense, if the product is repaired or replaced under warranty. For further details concerning procedures for obtaining service, see the ÒIf You Think You Need ServiceÓ...
Mail to: Cobra Accessories Dept. 6500 W. Cortland St., Chicago, IL 60707 Make check or money order (no stamps) payable to Cobra Electronics and mail with this order form to: Cobra Accessories Dept. 6500 W. Cortland St., Chicago, IL 60707 Call 773-889-3087, or fax 773-622-2269 for credit card orders Allow 4 to 6 weeks for delivery.
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