Cobra Electronics LI 3900DX owner manual Cobra line of quality products includes

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The Cobra line of quality products includes:

CB Radios • microTALK® Radios • Radar/Laser Detectors • Safety Alert® Traffic Warning Systems • Handheld GPS Receivers • Mobile GPS Navigation Systems • HighGear® Accessories • CobraMarine™ VHF Radios • CobraMarine™ Chartplotters • Power Inverters • Accessories

For more information or to order any of our products, please visit our website:

www.cobra.com

Nothing Comes Close to a Cobra®	English

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Contents LI 3900DX Making Life Easier and Safer Features Product FeaturesEstimated operation time on full charge 10 hours Avoid exposure to extreme temperaturesReplace battery compartment cover and belt clip Caring for Your microTALK RadioUsing Your Radio Channels To select a channel Selectable HighLow Power OutputTo toggle between high and low power Listening for a Response When you are finished talkingAuto Squelch/Maximum Range Signal Strength Signal Strength MeterLock Feature To turn the lock feature on or offSet Ctcss Privacy Codes Mode FunctionsScrolling through Mode Functions Privacy CodesTo select a DCS privacy code To turn VOX mode on or offStandby mode Set DCS Privacy CodesTo program a memory location Memory LocationsWhile de-programming a memory location To recall a stored memory channel locationWhile recalling a stored memory location To de-program a memory locationTo scan channels Channel ScanFlash on the display To scan privacy codes Privacy Code ScanNumber flash on the display Press the Mode button to proceed to other functionsMemory Location Scan To scan memory locationsPress the Mode button until Call Tone SettingsTo change call settings To change a call tone settingKeystroke Tones Mode Functions General SpecificationsMode Button To change keystroke tones General SpecificationsProduct Service Questions FCC License Product ServiceTrademark Acknowledgement Warranty and Trademark AcknowledgementCobra line of quality products includes