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Customer Assistance WarrantyIntroduction Operation
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Mode Functions
12
13
Nothing comes close to a Cobra
®
Ten (10) Call Tone Settings
•
You can choose between ten (10) different Call Tone Settings
to transmit a unique call alert.
To Change A Call Tone Setting:
1. Press the Mode button until the letter
“C” and the current call tone number
(1 through 10) is displayed.
2. Press the Channel Up or Channel Down
button to hear the other call tone settings.
3. Choose one (1) of the following:
a. Press the Mode button to enter
the new setting and proceed to
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. This feature can be turned On or Off.
To Turn Roger Beep On Or Off:
When turning On your microTALK
®
radio for
the first time, roger beep will be On.
1. Press the Mode button until the Roger Beep
icon flashes. 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 (1) of the following:
a. Press the Mode button to enter the new
setting and return to Standby mode.
b. Press the Lock button to enter the new
setting and return to Standby mode.
The setting you select will be saved when you
turn your radio Off and On again. When the
roger beep is On, the Roger Beep icon will
be displayed.
Operation
General Specifications
•
Nominal
Unit
Nominal
Unit
C. Transmitter
1. Power
GMRS . . . . . . . . . . . . . . . . . . . .W 1
FRS Only . . . . . . . . . . . . . . . . .mW 500
2. Carrier Frequency Stability . . . ±Hz 500
3. Modulation Limiting . . . . . . . . KHz 2.5
4. Carrier Attack Time . . . . . . . . . mS 80
5. Audio Frequency Response
@ 300 Hz . . . . . . . . . . . . . . . . . dB -12
@ 2500 Hz . . . . . . . . . . . . . . . . dB +6
6. Audio Distortion . . . . . . . . . . . . % 3
7. Hum Noise . . . . . . . . . . . . . . . . dB 30
8. Transient Frequency Behavior
a) TX On . . . . . . . . . . . . . . . . . mS 30
b) TX Off . . . . . . . . . . . . . . . . . mS 5
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
AB C D E
1 1 FRS/GMRS 462.5625 1.0
2 2 FRS/GMRS 462.5875 1.0
3 3 FRS/GMRS 462.6125 1.0
4 4 FRS/GMRS 462.6375 1.0
5 5 FRS/GMRS 462.6625 1.0
6 6 FRS/GMRS 462.6875 1.0
7 7 FRS/GMRS 462.7125 1.0
8 FRS 467.5625 0.5
9 FRS 467.5875 0.5
10 FRS 467.6125 0.5
11 FRS 467.6375 0.5
12 FRS 467.6625 0.5
13 FRS 467.6875 0.5
14 FRS 467.7125 0.5
15 11 GMRS 462.5500 1.0
16 8 GMRS 462.5750 1.0
17 12 GMRS 462.6000 1.0
18 9 GMRS 462.6250 1.0
19 13 GMRS 462.6500 1.0
20 10 GMRS 462.6750 1.0
21 14 GMRS 462.7000 1.0
22 15 GMRS 462.7250 1.0
B. Receiver
1. Sensitivity
For 12 dB SINAD . . . . . . . . . . dBm -121
For Call Signal Detection . . . .dBm -121
2. Max. Audio Output
@ 10% THD . . . . . . . . . . . . . . mW 200
3. Max. S/N Ratio
@ 1mV RF Input . . . . . . . . . . . dB 50
4. Squelch
a) Sensitivity . . . . . . . . . . . . . . dBm -121
b) Attack Time . . . . . . . . . . . . . mS 150
c) Closing Time . . . . . . . . . . . . mS 200
5. Audio Frequency Response
@ 300 Hz . . . . . . . . . . . . . . . . . dB -10
@ 2500 Hz . . . . . . . . . . . . . . . . dB -10
6. Signal Displacement BW . . . . +/-kHz 5
7. Adjacent Channel Rejection . . . dB 40
8. Intermodulation Rejection . . . . dB 65
9. Spurious Response Rejection . dB 55
D. Power Supply
1. Battery Life (5:5:90 RATIO)
With Alkaline Batteries . . . . . . . HR 24
2. Battery Operating Range . . . . . . V 4.2 - 6.0
Nominal
Unit
Call Tone Setting
Mode Button
Channel Button
Roger Beep Off
Mode Button
Channel Button
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