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To temporarily turn off auto squelch:

Press the 

Light/Max Range

button for 

less than five seconds. 

To turn maximum range extender on:

Press and hold the 

Light/Max Range

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 

Light/Max Range

button or change channels.

Lock Function

The 

Lock

function locks the 

Channel Up

,

Channel

Down

and 

Mode/Power

buttons to prevent

accidental operation. 

To turn the lock on or off:

Press and hold the 

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 13 on how to select between
five call tone settings.

4

5

Volume Button

Call Button

Listening

Volume Level

Lock Icon

Light/Max Range

Lock Button

To Illuminate Display

Press and release the 

Light/Max Range

button 

to illuminate the display for 10 seconds.

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.

Light/Max Range

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.

Maximum Range

Reduced Range

Reduced Range

Nothing 

Comes Close to a Cobra

®

CXT240_MANL_OR_9509-PR260 WX vB  4/23/13  3:51 PM  Page 4

Summary of Contents for CXT240

Page 1: ... 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 Friday except holidays 773 889...

Page 2: ...uration to the length of this warranty Cobra shall not be liable for any incidental consequential or other damages including without limitation damages resulting from loss of use or cost of installation Some states do not allow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations may not ap...

Page 3: ...our AAA rechargeable batteries or non rechargeable alkaline batteries Position batteries according to polarity markings 4 Replace battery compartment cover and belt clip 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 wall charg...

Page 4: ...Up or Channel Down button to select a channel Both radios must be tuned to the same channel privacy code to communicate 3 Press and hold the Talk button while speaking into the microphone 4 When finished talking release the Talk button and listen for a response Battery Low Turning on Your microTALK Radio Press and hold the Mode Power button until you hear a series of audible tones indicating the r...

Page 5: ... will hear a two second call tone This tone is used only to establish voice communications See page 13 on how to select between five call tone settings 4 5 Volume Button Call Button Listening Volume Level Lock Icon Light Max Range Lock Button To Illuminate Display Press and release the Light Max Range button to illuminate the display for 10 seconds Auto Squelch Maximum Range Your microTALK radio w...

Page 6: ...e channel and to the same privacy code system CTCSS or DCS and privacy code number Each channel will remember the last privacy code system and number 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 Mode Power Set CTCSS Privacy Codes To select a CTCSS privacy code 1 After selecting a channel pre...

Page 7: ...ton to proceed to other functions b Press the Lock button to exit All Hazards Radio channel mode and return to Standby mode National Oceanographic and Atmospheric Administration Weather WX Alert Mode Turning On the Weather Alert function will allow your radio to automatically receive NOAA Hazard Alert radio signals and warnings from designated NOAA broadcast stations If the radio is turned ON it w...

Page 8: ...tomatically transmitting 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 follow...

Page 9: ... other functions b Press the Lock button to enter the new setting and return to Standby mode 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 speak To turn roger beep on or off 1 Press the Mode Power button until the Roger Beep icon flashes The current on or off s...

Page 10: ...s Use only the supplied antenna Unauthorized antennas modifications or attachments could damage the transmitter and may violate FCC regulations Normal Position Hold the transmitter approximately 2 inches from your face and speak in a normal voice with the antenna pointed up and away General Specifications FRS GMRS Frequency Allocation and Compatibility Important Please note that Cobra GMRS models ...

Page 11: ... with the name and address of where the product is to be returned 4 Pack radio securely to prevent damage in transit If possible use the original packing material 5 Ship prepaid and insured by way of a traceable carrier such as United Parcel Service UPS or Priority Mail to avoid loss in transit to Cobra Factory Service Cobra Electronics Corporation 6500 West Cortland Street Chicago Illinois 60707 ...

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