Keystroke Tones
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With Keystroke Tones turned on, your radio will sound beeps each time you press a button or change a setting.
Mode/Lock Button 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.
Keystroke Tones On 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. |
Channel Buttons | |
| b. Press the Enter/Hi•Low button to enter the |
| new setting and return to Standby mode. |
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20 English
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General Specifications
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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
A | B | C | D |
1 | 1 | FRS/GMRS | 462.5625 |
2 | 2 | FRS/GMRS | 462.5875 |
3 | 3 | FRS/GMRS | 462.6125 |
4 | 4 | FRS/GMRS | 462.6375 |
5 | 5 | FRS/GMRS | 462.6625 |
6 | 6 | FRS/GMRS | 462.6875 |
7 | 7 | FRS/GMRS | 462.7125 |
8 |
| FRS | 467.5625 |
9 |
| FRS | 467.5875 |
10 |
| FRS | 467.6125 |
11 |
| FRS | 467.6375 |
12 |
| FRS | 467.6625 |
13 |
| FRS | 467.6875 |
14 |
| FRS | 467.7125 |
15 | 11 | GMRS | 462.5500 |
16 | 8 | GMRS | 462.5750 |
17 | 12 | GMRS | 462.6000 |
18 | 9 | GMRS | 462.6250 |
19 | 13 | GMRS | 462.6500 |
20 | 10 | GMRS | 462.6750 |
21 | 14 | GMRS | 462.7000 |
22 | 15 | GMRS | 462.7250 |
Nothing comes close to a Cobra® 21
