Mode Functions and

General Specifications

Operation

Roger Beep ConfirmationTone

Roger Beep is an audible tone that your listener will hear when you release the Talk button. This alerts the other party that you are finished talking and it is OK for them to speak.

 

 

 

 

 

 

 

Introduction

Operation

Customer Assistance

Warranty

 

General Specifications

FRS/GMRS Frequency

Allocation and Compatibility

Mode/Lock Button

Roger Beep On

Channel Buttons

To turn roger beep on or off:

1.Press the Mode button until the Roger Beep icon flashes on the display. The current on or off setting is displayed.

2.Press the Channel Up or Channel Down button to select roger beep on or off.

3.Choose one of the following:

a.Press the Mode/Lock button to enter the new setting and proceed to other functions.

b.Press the Enter/Hi•Low button to enter the new setting and return to Standby mode.

Important: Please note that Cobra GMRS models with 15 Channels may designate different channel numbers for the same frequency. For example, a Cobra 15 Channel GMRS model would need to be tuned to Channel 11 in order to communicate with a 22 Channel GMRS tuned to Channel 15.

Please refer to the chart below for channel/ frequency number compatibility.

A = Channel No. for 22 Channel FRS/GMRS Models

B = Channel No. for 15 Channel GMRS Models

C= Type of Radio Service

D= Frequency in MHz

E= Power Output

A

B

C

D

E

1

1

FRS/GMRS

462.5625

High or Low

2

2

FRS/GMRS

462.5875

High or Low

3

3

FRS/GMRS

462.6125

High or Low

Keystroke Tones

With Keystroke Tones turned on, your radio will sound beeps each time you press a button or change a setting.

4

4

FRS/GMRS

462.6375

High or Low

5

5

FRS/GMRS

462.6625

High or Low

6

6

FRS/GMRS

462.6875

High or Low

Mode/Lock Button

Keystroke Tones On

Channel Buttons

To change keystroke tones:

1.Press the Mode/Lock button until the Keystroke Tones icon flashes on the display. The current on or off setting is displayed.

2.Press the Channel Up or Channel Down button to turn keystroke tones on or off.

3.Choose one of the following:

a.Press the Mode/Lock button to enter the new setting and return to Standby mode.

b.Press the Enter/Hi•Low button to enter the new setting and return to Standby mode.

7

7

FRS/GMRS

462.7125

High or Low

8

 

FRS

467.5625

Low

9

 

FRS

467.5875

Low

10

 

FRS

467.6125

Low

11

 

FRS

467.6375

Low

12

 

FRS

467.6625

Low

13

 

FRS

467.6875

Low

14

 

FRS

467.7125

Low

15

11

GMRS

462.5500

High or Low

16

8

GMRS

462.5750

High or Low

17

12

GMRS

462.6000

High or Low

18

9

GMRS

462.6250

High or Low

19

13

GMRS

462.6500

High or Low

20

10

GMRS

462.6750

High or Low

21

14

GMRS

462.7000

High or Low

22

15

GMRS

462.7250

High or Low

 

 

 

 

20 English

Nothing Comes Close to a Cobra® 21

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Cobra Electronics CXT450C Mode Functions General Specifications, To turn roger beep on or off, To change keystroke tones

CXT450C specifications

The Cobra Electronics CXT450C is a robust and user-friendly two-way radio designed for outdoor enthusiasts and everyday communication needs. Its rugged build and extensive range make it a reliable choice for a variety of situations, from camping trips to workplace communication.

One of the flagship features of the CXT450C is its impressive communication range, which can extend up to 40 miles in open areas under optimal conditions. This capability allows users to maintain communication over long distances, making it an excellent companion for hikers, hunters, or event organizers. However, users should note that actual range may vary depending on terrain and environmental factors.

The CXT450C operates on FRS/GMRS frequencies, providing access to both licensed and unlicensed channels. It is equipped with 22 channels and 121 privacy codes, helping users find a clear channel for communication and reducing the likelihood of interference from other users in crowded areas. This is particularly useful in busy environments where multiple users may be operating on similar frequencies.

In terms of technology, the CXT450C comes with a host of features designed for ease of use and enhanced functionality. The radio includes a built-in NOAA weather radio, providing critical weather alerts and updates. This feature is invaluable for those who spend significant time outdoors, ensuring they are informed about changing weather conditions.

Additionally, the CXT450C is equipped with a voice-activated transmission (VOX) feature, enabling hands-free communication. This is ideal for users who need to keep their hands free while working or engaging in outdoor activities. The radio also boasts a durable design, featuring an IP54 rating for water and dust resistance, ensuring that it can withstand the rigors of outdoor use.

The CXT450C offers both rechargeable and standard AA battery options, providing versatility in power sources. Users can enjoy extended usage without the worry of constantly replacing batteries. The radio also comes with a desktop dual charger, making it easy to keep the devices powered up and ready for use.

Overall, the Cobra Electronics CXT450C is an essential tool for anyone seeking reliable communication with a blend of advanced features and durability. Its long range, user-friendly design, and practical functionalities make it suitable for both recreational and professional use. Whether you are navigating the wilderness or coordinating with a team, the CXT450C ensures you stay connected.