Cobra Electronics LI 3900DX owner manual Product Features

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Product Features

Introduction

Product Features

Introduction

Wrist Strap Connector

Features

Backlit LCD Display

Belt Clip

22 Channels

Seven shared with

FRS/GMRS, seven

FRS only, eight

DCS Icon

Antenna

Hi•Low

Power

Button

Talk

Button

Battery

Compartment

Battery Door

Latch

External Speaker/

Microphone/

Charge Jack

On/Off

Button

Call

Button

Backlit LCD

Display

Channel Up/

GMRS only

121 Privacy Codes

(38 CTCSS codes/

83 DCS codes)

Hands-Free

Operation (VOX)

VibrAlert®

Silent Paging

10 Channel

Memory

Signal

Strength Meter

Scan

Channel, privacy

codes, memory

Selectable

Hi•Low Power

In GMRS

Backlit

LCD Display

Button Lock

Call Alert

10 selectable

tones

Lock Icon

Call Alert and

VibrAlert® Icon

Signal Strength

Meter Icon

Channel

Numbers

Keystroke Tones Icon

Roger Beep Icon

Vox Icon

Memory

Icon

Memory

Location

Number

CTCSS

Icon

Recieve/

Transmit

Icon

Battery

Down

Button

Mode Button

Volume

Button

Speaker/

Microphone/

Charge Jack

Roger Beep

Selectable on/off

Battery/

Power Saver

Keystroke Tones

Selectable on/off

Power

 

Privacy

Scan

Code

Saver Icon

Icon

Numbers

Hi•Low

Power

Icons

Level Indicator

Light/

Max Range

Button

Lock/Enter

Button

Speaker/ Microphone

Auto Squelch

Maximum Range

Extender

Belt Clip

Maximum range may vary and is based on unobstructed line-of-sight communication under ideal conditions.

Important FCC Licensing Information

This radio operates on General Mobile Radio Service (GMRS) frequencies which require a Federal Communications Commission (FCC) license. See page 26 for licensing and other related information.

A2 English

A3 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 locationChannel Scan To scan channelsFlash 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