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Mode Functions
Operation
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:
Mode Button
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
Roger Beep On
button to select roger beep On or Off.
3. Choose one (1) of the following:
a. Press the Mode button to enter the new
setting and proceed to other functions.
Channel Button
b. Press the Lock button to enter the new
setting and return to Standby mode.
Keystroke Tones
With Keystroke Tones turned On, your radio will
sound beeps each time you press a button or
change a setting.
To Change Keystroke Tones:
Mode Button
1. Press the Mode 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
Keystroke Tones On
button to turn keystroke tones On or Off.
3. Choose one (1) of the following:
a. Press the Mode button to enter the new
setting and return to Standby mode.
Channel Button
b. Press the Lock button to enter the new
setting and return to Standby mode.
20 English
Introduction
General Specifications
•
A. 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 GMRS Models
B = Channel No. For 15
Channel GMRS Models
C = Type of Radio Service
•
D = Frequency in MHz
E = Power in Watts
a = 2.0/0.5 (selectable)
b = 0.5
A
B
C
1
1
FRS/GMRS
2
2
FRS/GMRS
3
3
FRS/GMRS
4
4
FRS/GMRS
5
5
FRS/GMRS
6
6
FRS/GMRS
7
7
FRS/GMRS
8
FRS
9
FRS
10
FRS
11
FRS
12
FRS
13
FRS
14
FRS
15 11
GMRS
16
8
GMRS
17 12
GMRS
18
9
GMRS
19 13
GMRS
20 10
GMRS
21 14
GMRS
22 15
GMRS
Operation
Customer Assistance
B. Receiver
1. Sensitivity
For 12 dB SINAD . . . . . . . . . . dBm
For Call Signal Detection . . . . dBm
®
2. Max. Audio Output
@ 10% THD . . . . . . . . . . . . . . mW
3. Max. S/N Ratio
@ 1mV RF Input . . . . . . . . . . . dB
4. Squelch
a) Sensitivity . . . . . . . . . . . . . . dBm
b) Attack Time . . . . . . . . . . . . . mS
c) Closing Time . . . . . . . . . . . . mS
5. Audio Frequency Response
@ 300 Hz . . . . . . . . . . . . . . . . . dB
@ 2500 Hz . . . . . . . . . . . . . . . . dB
6. Signal Displacement BW . . . . +/-kHz
7. Adjacent Channel Rejection . . . dB
8. Intermodulation Rejection . . . . dB
9. Spurious Response Rejection . dB
C. Transmitter
D
E
1. Power
462.5625
a
GMRS . . . . . . . . . . . . . . . . . . . .W
462.5875
a
FRS Only . . . . . . . . . . . . . . . . .mW
462.6125
a
2. Carrier Frequency Stability . . . ±Hz
462.6375
a
3. Modulation Limiting . . . . . . . . kHz
462.6625
a
4. Carrier Attack Time . . . . . . . . . mS
462.6875
a
5. Audio Frequency Response
462.7125
a
@ 300 Hz . . . . . . . . . . . . . . . . . dB
467.5625
b
@ 2500 Hz . . . . . . . . . . . . . . . . dB
467.5875
b
6. Audio Distortion . . . . . . . . . . . . %
467.6125
b
7. Hum Noise . . . . . . . . . . . . . . . . dB
467.6375
b
467.6625
b
8. Transient Frequency Behavior
467.6875
b
a) TX On . . . . . . . . . . . . . . . . . mS
b) TX Off . . . . . . . . . . . . . . . . . mS
467.7125
b
462.5500
a
462.5750
a
462.6000
a
D. Power Supply
462.6250
a
462.6500
a
1. Battery Life (5:5:90 RATIO)
462.6750
a
With Alkaline Batteries . . . . . . . HR
462.7000
a
462.7250
a
2. Battery Operating Range . . . . . . V
Nothing comes close to a Cobra
Warranty
•
-121
-121
200
50
-121
150
200
-3
-10
5
60
65
55
2
500
500
2.5
80
-12
+6
3
30
30
5
24
4.2 - 6.0
®
21
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