b. Press the Enter/Hi•Low button to enter the new setting and return to Standby mode.
Channel Buttons
3. Choose one of the following:
a. Press the Mode/Lock button to enter the new setting and proceed to other functions.
Roger Beep On
2. Press the Channel Up or Channel Down button to select roger beep on or off.
Mode/Lock Button
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.
Mode Functions and
General Specifications
Operation
Roger Beep Confirmation Tone
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.

Keystroke Tones

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

 

 

 

 

 

 

 

Introduction

Operation

Customer Assistance

Warranty

 

General Specifications

FRS/GMRS Frequency

Allocation and Compatibility

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

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 PR3850WXC owner manual Keystroke Tones, General Specifications, To change keystroke tones