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Customer Assistance

Warranty

Introduction

9

Nothing 

comes close to a Cobra

Operation

8

English

Mode Functions

CTCSS Privacy Codes

CTCSS

(Continuous Tone Coded Squelch System) is an advanced

tone coding system allowing you to select one (1) of 38 privacy
codes to reduce interference from other users on the channel.

If you are using a privacy code, both radios must 
be tuned to the same channel and privacy code to
communicate. Each channel will remember the last 
privacy code you selected.

To Select A Privacy Code:

1. After selecting a channel, press the 

Mode

button until the small numbers next to the
channel number flashes on the display.

2. Press the 

Channel Up

or 

Channel Down

button to select a privacy code. You can hold
the 

Up

or 

Down

button for fast advance.

3. When your desired privacy code is displayed,

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.

c. Do not press any buttons for 15 seconds 

to enter the new setting and return to

Standby 

mode.

Operation

Voice Activated Transmit (VOX)

In 

VOX 

mode, your microTALK

®

radio can be used “hands-free,”

automatically transmitting when you speak. You can set the 

VOX

sensitivity level to fit the volume of your voice and avoid
transmissions triggered by background noise.

To Turn VOX Mode On Or Off:

1. Press the 

Mode

button until the 

VOX

icon

flashes on the display. The current 

On

or 

Off

setting is displayed.

2. Press the 

Channel Up

or 

Channel Down

button to turn 

VOX On

or 

Off

.

3. Choose one (1) of the following:

a. Press the 

Mode

button to enter the 

selected 

On

or 

Off

setting and proceed 

to other functions.

b. Press the 

Lock

button to enter the 

selected 

On

or 

Off

setting and return 

to 

Standby

mode. 

To Set The Sensitivity:

1. Press the 

Mode

button until the 

VOX

icon

flashes and the current sensitivity level is
displayed.

The current sensitivity level is displayed
with letters “LE” and a Number 01
through 05, with Number 05 being the
most sensitive level and Number 01 
being the least sensitive level.

2. Press the 

Channel Up

or 

Channel Down

button to change the setting.

3. Choose one (1) of the following:

a. Press the 

Mode

button to enter the selected

setting and proceed to other functions.

b. Press the 

Lock

button to enter the selected

setting and return to 

Standby 

mode.

Mode Button

Channel Button

Privacy Code

VOX Sensitivity Level

Mode Button

Channel Button

VOX Icon

Mode Button

Channel Button

Summary of Contents for microTALK PR3150DX

Page 1: ...re you prefer For Assistance In Canada or the U S A In this user s manual you should find all the information you need to operate your microTALK radio If you require further assistance after reading t...

Page 2: ...quelch Maximum Range Extender Belt Clip Wrist Strap Memory Icon Industry Canada Notice Operation is subject to the following two 2 conditions 1 this device may not cause interference and 2 this device...

Page 3: ...Insert four 4 AAA batteries Always use high quality alkaline batteries Position batteries according to polarity markings 4 Replace battery compartment cover and belt clip Contact your local Cobra dea...

Page 4: ...on will flash in the display This will not affect the radio s ability to receive incoming transmissions Communicating With Another Person To Talk To Another Person 1 Press and hold the Talk button 2 W...

Page 5: ...to illuminate the display for ten 10 seconds Low Power Icon Hi Power Icon Operation Hi Low Button Auto Squelch Maximum Range Your microTALK radio is equipped with Auto Squelch which automatically shu...

Page 6: ...accessories are recommended To Attach Your Speaker Microphone 1 Open the Speaker Microphone tab on top of your microTALK radio 2 Insert the plug into the speaker microphone jack Signal Strength Meter...

Page 7: ...mode your microTALK radio can be used hands free automatically transmitting when you speak You can set the VOX sensitivity level to fit the volume of your voice and avoid transmissions triggered by ba...

Page 8: ...nned See page 16 for memory location scan To Program A Memory Location 1 Press the Mode button until the Memory icon and the memory location flash on the display 2 Press the Channel Up or Channel Down...

Page 9: ...n channels To Scan Channels 1 Press the Mode button until the Scan icon and the channel numbers flash on the display 2 Press the Channel Up or Channel Down button to begin scanning channels The radio...

Page 10: ...played before you entered mode functions or the channel privacy code on which during scanning you last received a transmission 14 English Mode Functions During Channel Scan while not receiving a trans...

Page 11: ...ed mode functions or the memory location on which during scanning you last received a transmission To reduce the number of memory locations being scanned you may deprogram any unwanted locations See p...

Page 12: ...ting 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 i...

Page 13: ...Squelch a Sensitivity dBm 121 b Attack Time mS 150 c Closing Time mS 200 5 Audio Frequency Response 300 Hz dB 3 2500 Hz dB 10 6 Signal Displacement BW kHz 5 7 Adjacent Channel Rejection dB 60 8 Interm...

Page 14: ...ximately three 3 to four 4 weeks before contacting Cobra for status If the radio is out of warranty a letter will automatically be sent informing you of the repair charge or replacement charge If you...

Page 15: ...ory Service department accompanied by proof of the date of first consumer purchase such as a duplicated copy of a sales receipt You must pay any initial shipping charges required to ship the product f...

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