Mode Functions

Operation

Ten (10) Call Tone Settings

You can choose between ten (10) different Call Tone Settings to transmit a unique call alert.

Mode Button

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

Call Tone Setting

 

 

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

Channel Button

 

 

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Introduction

Operation

 

 

Customer Assistance

Warranty

 

 

 

 

General Specifications

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A. FRS/GMRS

 

 

B. Receiver

 

Unit

Nominal

 

 

 

Frequency

 

 

 

 

 

 

Allocation and

 

 

1.

Sensitivity

 

 

 

 

 

 

Compatibility

 

 

 

 

 

 

 

 

 

 

 

For 12 dB SINAD . . . . . . . . . . dBm

-121

 

 

 

Important: Please note that Cobra®

 

 

 

For Call Signal Detection . . . . dBm

-121

 

 

 

 

 

2.

Max. Audio Output

 

 

 

 

 

 

GMRS models with 15 Channels may

 

 

 

 

 

 

 

@ 10% THD . . . . . . . . . . . . . . mW

200

 

 

 

designate different channel numbers for

 

 

 

 

3.

Max. S/N Ratio

 

 

 

 

 

 

the same frequency. For example, a

 

 

 

 

 

 

 

 

 

 

 

@ 1mV RF Input . . . . . . . . . . . dB

50

 

 

 

Cobra® 15 Channel GMRS model would

 

 

 

 

need to be tuned to Channel 11 in order

4.

Squelch

 

 

 

 

 

 

to communicate with a 22 Channel GMRS

 

a) Sensitivity . . . . . . . . . . . . . . dBm

-121

 

 

 

tuned to Channel 15. Please refer to the

 

b) Attack Time . . . . . . . . . . . . . mS

150

 

 

 

chart below for channel/ frequency

 

 

 

c) Closing Time . . . . . . . . . . . . mS

200

 

 

 

number compatibility.

 

 

 

5.

Audio Frequency Response

 

 

 

 

 

 

A = Channel No. For

 

 

 

 

@ 300 Hz . . . . . . . . . . . . . . . . . dB

-10

 

 

 

 

 

 

 

@ 2500 Hz . . . . . . . . . . . . . . . . dB

-10

 

 

 

22 Channel GMRS Models

 

 

 

 

 

 

 

 

6.

Signal Displacement BW . . . . +/-kHz

5

 

 

 

B = Channel No. For 15 Channel

 

 

 

 

 

GMRS Models

 

 

 

7.

Adjacent Channel Rejection

. . . dB

40

 

 

 

C = Type of Radio Service

 

 

8.

Intermodulation Rejection

. . . . dB

65

 

 

 

D = Frequency in MHz

 

 

 

9.

Spurious Response Rejection . dB

55

 

 

 

E = Power in Watts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C. Transmitter

 

 

Nominal

 

 

A B C

D

E

 

 

Unit

 

 

 

 

 

 

 

 

 

 

 

Mode Button

Roger Beep Off

Channel Button

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.

1

1

FRS/GMRS

462.5625

1.0

 

1.

Power

 

 

 

2

2

FRS/GMRS

462.5875

1.0

 

 

 

 

3

3

FRS/GMRS

462.6125

1.0

 

 

. . . . . . . . . . . . . . . . . . . .GMRS

1

 

 

 

FRS Only

mW

500

 

4

4

FRS/GMRS

462.6375

1.0

 

 

 

 

2.

Carrier Frequency Stability

±Hz

500

 

5

5

FRS/GMRS

462.6625

1.0

 

 

 

3.

Modulation Limiting

KHz

2.5

 

6

6

FRS/GMRS

462.6875

1.0

 

 

 

4.

Carrier Attack Time

mS

80

 

7

7

FRS/GMRS

462.7125

1.0

 

 

 

5.

Audio Frequency Response

 

 

 

8

 

FRS

467.5625

0.5

 

 

 

 

9

 

FRS

467.5875

0.5

 

 

. . . . . . . . . . . . . . . .@ 300 Hz

. dB

-12

 

 

 

 

@ 2500 Hz

. dB

+6

 

10

 

FRS

467.6125

0.5

 

6.

Audio Distortion

. %

3

 

11

 

FRS

467.6375

0.5

 

 

 

 

7.

Hum Noise

. dB

30

 

12

 

FRS

467.6625

0.5

 

8.

Transient Frequency Behavior

 

 

 

13

 

FRS

467.6875

0.5

 

 

 

 

 

 

 

a) TX On

. mS

30

 

14

 

FRS

467.7125

0.5

 

 

b) TX Off

. mS

5

 

15

11

GMRS

462.5500

1.0

 

 

 

 

 

 

16

8

GMRS

462.5750

1.0

 

D. Power Supply

 

Nominal

 

17

12

GMRS

462.6000

1.0

 

Unit

 

18

9

GMRS

462.6250

1.0

 

 

 

 

19

13

GMRS

462.6500

1.0

 

1.

Battery Life (5:5:90 RATIO)

 

 

 

20

10

GMRS

462.6750

1.0

 

 

 

 

 

 

With Alkaline Batteries

. HR

24

 

21

14

GMRS

462.7000

1.0

 

 

 

 

2.

Battery Operating Range

. V

4.2 - 6.0

22

15

GMRS

462.7250

1.0

 

 

 

 

 

 

 

12 English

Nothing comes close to a Cobra® 13

Page 9
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Cobra Electronics PR385WX owner manual Transmitter, Power Supply