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To temporarily turn off auto squelch:

 Press  the 

Max Range Hi/Lo

 button for  

less than five seconds. 

To turn maximum range extender on:

  Press and hold the 

Max Range Hi/Lo

 button  

for at least five seconds until you hear  

two beeps which indicates the maximum 

range extender is 

on

.

To turn maximum range extender off:

  Press and release the 

Max Range Hi/Lo

  

button or change channels.

Lock Function 

The 

Lock

 function locks the 

Channel Up

,

 Channel 

Down, Volume Up, Volume Down

 and 

Mode/

Power

 buttons to prevent accidental operation. 

To turn the lock on or off:

   Press and hold the 

Call/Lock

 button for  

two seconds.

A double beep sound is used to confirm your lock 

on

 or

 off 

request. When in 

Lock 

mode,  

the 

Lock

 icon will be displayed.

Customer Assistance Warranty

Introduction

Operation

Using Your Radio

Operation

Listening for a Response 

 Release  the 

Talk

 button to receive incoming 

transmissions. Your microTALK

®

 radio is always in 

Standby 

mode while the 

Talk

 or 

Call

 buttons are 

not pressed.

To Adjust Volume 

 

 Press  the 

Volume Up

 or 

Volume  

Down 

button.

A double beep sound is used to indicate  

the minimum and maximum volume levels  

(1 through 8).

Call Button 

 

Press and release the 

Call

 button. 

The other person will hear a two second call tone. This 

tone is used only to establish voice communications.

See page 12 on how to select between ten 

call tone settings.

 

4

5

HI / LO

SCAN

Volume Button

HI / LO

SCAN

Call Button

Listening

Volume Level

Lock Icon

HI / LO

SCAN

Light/Max Range

HI / LO

SCAN

Lock Button

LED/S.O.S. Flashlight 

 Press and release the 

LED flashlight 

button below 

the TALK button to use the LED flashlight located at 

the bottom of the radio.
To activate S.O.S. function, press and hold the 

LED 

flashlight button 

to turn on. Press and release to 

turn off the flashlight or S.O.S. function.

Auto Squelch/Maximum Range 

Your microTALK

®

 radio will automatically shut 

off

 weak transmissions 

and unwanted noise due to terrain, conditions or if you’ve reached your 

Maximum Range

 limit.

You can temporarily turn 

off

 auto squelch or turn 

on

 maximum range 

extender, allowing all signals to be received and extending the maximum 

range of your radio.

HI / LO

SCAN

LED/S.O.S. Flashlight

microTALK

®

 Range 

Your range will vary depending on terrain and conditions.

In flat, open country your radio will  

operate at maximum range.
Buildings and foliage in the path of the  

signal can reduce the range of the radio.
Dense foliage and hilly terrain will further  

reduce the range of the radio.
On FRS Channels 8 through 14, your radio 

automatically switches to low power, which  

will limit the range the radio can communicate.

Remember, you can achieve maximum 

range by using maximum range extender. 

See page 4 for details.

HI / LO

SCAN

HI / LO

SCAN

HI / LO

SCAN

Maximum Range

Reduced Range

Reduced Range

Nothing 

Comes Close to a Cobra

®

Summary of Contents for CXT545

Page 1: ...user s manual you should find all the information you need to operate your microTALK radio If you require further assistance after reading this manual Cobra Electronics offers the following customer assistance services Automated Help Desk English only 24 hours a day 7 days a week 773 889 3087 phone Customer Assistance Operators English and Spanish 8 00 a m to 5 30 p m Central Time Monday through F...

Page 2: ... codes Backlit LCD Display LED Flashlight Call Alert Five selectable tones Button Lock Speaker Microphone Charge Jack Roger Beep Selectable On Off Battery Power Saver Keystroke Tones Battery Level Indicator Low Battery Audible Alert Auto Squelch Maximum Range Extender Belt Clip Important FCC Licensing Information This radio operates on General Mobile Radio Service GMRS frequencies which require a ...

Page 3: ...e battery compartment cover and belt clip Do not attempt to charge alkaline batteries Do not mix old and new batteries Do not mix alkaline standard carbon zinc or rechargeable Ni Cd Ni MH etc batteries To charge batteries in radio 1 Check to see that the batteries have been inserted properly 2 Insert the cable into the charge jack located at the top of the radio 3 Plug the cable into USB power sou...

Page 4: ...to a Cobra The radio will display flashing battery icon while charging Turning on Your microTALK Radio Press and hold the Mode Power button until you hear a series of audible tones indicating the radio is on Your microTALK radio is now in Standby mode ready to receive transmissions The radio is always in Standby mode except when the Talk Call or Mode Power buttons are pressed Quick Start 1 Press a...

Page 5: ...age 12 on how to select between ten call tone settings 4 5 HI LO SCAN Volume Button HI LO SCAN Call Button Listening Volume Level Lock Icon HI LO SCAN Light Max Range HI LO SCAN Lock Button LED S O S Flashlight Press and release the LED flashlight button below the TALK button to use the LED flashlight located at the bottom of the radio To activate S O S function press and hold the LED flashlight b...

Page 6: ...r you select The privacy code 00 is not a privacy code but allows all signals to be heard on a channel that is set to 00 on both the CTCSS and DCS systems Set CTCSS Privacy Codes To select a CTCSS privacy code 1 After selecting a channel press the Mode Power button until the CTCSS icon appears and the small numbers next to the channel number flash on the display If DCS is turned on at the channel ...

Page 7: ...g when you speak You can set the VOX sensitivity level to fit the volume of your voice and avoid transmissions triggered by background noise To turn VOX mode on or off 1 Press the Mode Power button until the VOX icon flashes on the display The current On or Off setting is displayed 2 Press the Channel Up or Channel Down button to turn VOX On or Off 3 Choose one of the following a Press the Mode Po...

Page 8: ...hen be used to select a DCS privacy code 01 through 83 for the channel Customer Assistance Warranty Introduction Operation Operation Mode Functions 10 11 Nothing Comes Close to a Cobra HI LO SCAN MEM ESC Button HI LO SCAN Channel Button HI LO SCAN MEM ESC Button Memory Channel HI LO SCAN Channel Button HI LO SCAN Channel Button If oF flashes in place of the privacy code numbers a privacy code is a...

Page 9: ...ode c Do not press any buttons for 15 seconds to enter the new setting and return to Standby mode Call Tone Setting HI LO SCAN Mode Power HI LO SCAN Channel Button Call Tone On Vibrate On Call Tone On Vibrate Off Roger Beep Confirmation Tone Your listener will hear an audible tone when you release the Talk button This alerts the other party that you are finished talking and it is OK for them to sp...

Page 10: ...ons b Press Talk or Call Lock button to enter the new setting and return to Standby mode c Do not press any buttons for 15 seconds to enter the new setting and return to Standby mode Select Channel Scan Privacy Codes HI LO SCAN Scan Button Channel Scan Your microTALK radio can automatically scan channels To scan channels 1 Press and release the Scan button until the Scan icon and the channel numbe...

Page 11: ...ather Lock button again to save the new setting and exit the Weather Alert Mode and return to Standby mode HI LO SCAN Weather Button This feature is set to OFF by default Make sure the strongest Weather channel is selected for your area using the channel selection in the previous menu NOAA All Hazards Radio Channels You can use your microTALK radio to listen to NOAA All Hazards Radio channels tran...

Page 12: ...it not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment genera...

Page 13: ...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 defective microTALK radios products or component parts upon delivery to the Cobra Factory Service department accompanied by proof of the date of first consumer purch...

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