Cobra PR4250WX Service Manual

English

Making Life Easier & Safer

Owner’s Manual

Nothing Comes Close To A Cobra

English

2-WAYRADIO MODEL

PR4250WX

Printed in China

Part No. 480-115-P

Revise 11.03

Introduction

Staying in touch with your family and friends is convenient and easy when using your microTALK

radio. Some of the many uses you will discover include:

Communicating with others while hiking, biking, and working; keeping track of family and friends at a crowded public event; checking with travel companions in another car; talking with neighbors; arranging meeting spots with others while shopping at the mall.

Secure your microTALK

radio while on the go.

Carrying your microTALK®radio with you is easy when using the belt clip or wrist strap.

The belt clip easily attaches to your belt, purse, or backpack. Simply squeeze the clip and place it where you prefer.

For Assistance In 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 this manual, Cobra

Electronics offers the following

customer assistance services:

Automated Help Desk

English only. 24 hours a day, 7 days a week 773-889-3087 (phone).

Customer Assistance Operators

English and Spanish. 8:00 a.m. to 6:00 p.m. CT, Monday through Friday (except holidays) 773-889-3087 (phone).

Questions

English and Spanish. Faxes can be received at 773-622-2269 (fax).

Technical Assistance

English only. www.cobra.com (on-line: Frequently Asked Questions). English and Spanish. productinfo

@cobra.com (e-mail).

For Assistance Outside the U.S.A.

Contact Your Local Dealer

Belt Clip

Wrist Strap

Customer Assistance

6500 West Cortland Street

Chicago, Illinois 60707 USA

www.cobra.com

Battery

Compartment

Battery Door

Latch

Belt Clip

Wrist Strap

Connector

Operation

Customer Assistance

Warranty

Nothing comes close to a Cobra

Introduction

English

Product Features

English

Product Features

Introduction

Compass

Button

Backlit LCD Display

Channel Up/Down

Buttons

Speaker/ Microphone

Call

Button

Mode

Button

Antenna

Key Lock

Button

Hi•Med•Low

Power Button

External Speaker/ Microphone Jack

Light/

Max Range

Button

Talk

Button

On/Off Volume

Knob

Charger

Jack

Introduction

Backlit LCD Display

Important FCC Licensing Information

This radio operates on General Mobile Radio Service (GMRS) frequencies which require a Federal Communications Commission (FCC) license. See page 26 for licensing and other related information.

Receive/ Transmit

Tower Icon

Hi•Med•Low

Power Icon

Lock Icon

Keystroke Tones Icon

Call Tones and VibrAlert™Icon

NOAA All

Hazards Alert Icon

Roger Beep Icon

Signal Strength

Meter Icon

Memory Icon

Battery Level

Indicator

Main Channel

Numbers

Power Saver Icon

CTCSS Privacy Code Numbers

Alarm Icon

Vox Icon

Scan Icon

NOAA All Hazards Radio Icon

Stopwatch Icon

Compass Icon

AM/PM Indicators

Memory Location

Features

• Two-Way Radio

with up to a ten (10) mile (16 km) range

• 22 Channels

(7 shared with FRS/GMRS, 7 FRS only, 8 GMRS only)

• 38 PRIVACY Codes

• 10 CHANNEL

NOAA All Hazards Radio

• NOAA All Hazards Alert

• 8-Point Digital Compass

• Clock/Alarm

• Stopwatch with Split-timer

• Hands-Free

Operation (VOX)

• VibrAlert

Silent Paging

• Signal Strength Meter

• 10 Channel Memory

• Scan (channel, privacy code, memory)

• Selectable

Hi•Med•Low Power (in GMRS)

• Backlit LCD Display

• Call Alert (10 selectable tones)

• Lock

• Speaker/

Microphone Jack

• “Roger Beep” (selectable On/Off)

• Battery/Power Saver

• Keystroke Tones (selectable On/Off)

• Auto Squelch

• Maximum Range

Extender

• Belt Clip

• Wrist Strap

Caring for Your microTALK®Radio

•

Your microTALK

radio will give you years of trouble-free service if cared for properly. Handle the radio gently. Keep the radio away from dust. Never put the radio in water or in a damp place. Avoid exposure to extreme temperatures.

Batteries

•

To Install or Replace Batteries:

1. Remove belt clip by releasing belt clip latch and sliding clip down.

2. Pull down on the Battery Door Latch to remove the battery compartment cover.

3. Insert four (4) AA batteries. (Always use high quality alkaline batteries.) Position batteries according to polarity markings.

4. Replace Battery Compartment cover and belt clip.

See information on page 28 for optional charger accessories ordering instructions.

Insert Batteries

Pull Down LockLatch

Remove Belt Clip

The Basics to Get You Started

Your microTALK

radio is easy to use.

To get started, simply:

1. Rotate the On/Off Volume knob to turn On your radio.

2. Press the Channel Up or Channel Down button to select a channel.

Both radios must be tuned to the same channel to communicate.

3. Press and hold the Talk button while speaking into the microphone.

4. When finished talking, release the Talk button and listen for a response.

Customer Assistance WarrantyIntroduction

Nothing comes close to a Cobra

Operation

English

Using Your Radio

Turning On Your microTALK®Radio

•

To Turn On Your Radio:

1. Rotate the On/Off Volume knob clockwise

to turn On your radio and adjust the volume. A series of tones will indicate the radio is On.

Your microTALK

radio is now in Standby Mode,

ready to receive transmissions. The radio is always in Standby Mode, except when the Talk, Call or Mode buttons are pressed.

Battery Low

•

Your microTALK

radio has a battery level meter that shows when battery power is decreasing. The greater the number of ascending bars visible, the stronger the battery level. When the battery level is low, the last bar will flash indicating your batteries should be replaced or recharged, if using rechargeable batteries.

Auto Battery Save

•

Your microTALK

radio has a unique circuit designed to extend battery life. If there are no transmissions within ten (10) seconds, the radio will automatically switch to Battery Save Mode and Power Saver icon 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. With the microphone about two (2)

inches (5 cm) from your mouth, speak in a normal voice.

3. Release the Talk button when you are

finished talking and listen for a response.

You cannot receive incoming calls while pressing the Talk button.

Both radios must be tuned to the same channel to communicate.

Scrolling Through the Mode Function

•

By scrolling through the Mode function, you will be able to select or turn On preferred features of your microTALK

radio. When scrolling through the Mode function, your radio features will be displayed in the same predetermined order:

Set Privacy Codes Set NOAA All Hazards Radio Channel Set NOAA All Hazards Alert Set Stopwatch Set Clock Set Alarm Set VOX On/Off Set VOX Sensitivity Level Set Memory Location Set Channel Scan Set Privacy Code Scan Set Memory Scan Set VibrAlert

and/or Call Alert Set Call Tones Set “Roger Beep” On/Off Set Keystroke Tones On/Off

Channels

•

To Select a Channel:

1. With the radio On, select any of the

22 channels by pressing the Channel Up or Channel Down button.

Both radios must be tuned to the same channel to communicate.

Channels 1 through 7 are shared with FRS/ GMRS. Channels 8 through 14 are FRS only. Channels 15 through 22 are GMRS only.

See page 25 for FRS/GMRS frequency allocations and compatibility charts.

On/Off Power

Battery Low

Battery Save Mode

Talk Button

Mode Button

Channel Button

Channel Number

Operation

2 inches (5 cm) From Mouth

Customer Assistance WarrantyIntroduction

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Operation

English

Using Your Radio

CTCSS Privacy Codes

•

CTCSS (Continuous Tone Coded Squelch System) is an advanced tone coding system allowing you to select one 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 flash on the LCD.

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: 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.

Listening for a Response

•

When You are Finished Talking:

1. Release the Talk button to receive incoming transmissions. Your microTALK

radio is

always in Standby Mode while the Talk or Call buttons are not pressed.

Volume

•

To Adjust the Volume:

1. Rotate the On/Off Volume knob.

Call Button

•

To Alert Another Person That You Are Calling:

1. Press and release the Call button. The other person will hear a two (2) second

call tone. You cannot send or receive transmissions during the two (2) second call tone.

See page 19 on how to select between ten (10) call tone settings.

Selectable High•Medium•Low Power Output

•

When in close proximity to another party or during favorable conditions, you can switch from High to Medium to Low Power to extend battery life.

This feature applies to GMRS channels 1 through 7 and 15 through 22 only. Channels 8 through 14 operate exclusively on Low Power.

To Switch from High to Medium to Low Power:

1. Press and release the Hi•Med•Low button. When in High Power and using channels

1 through 7 and 15 through 22, the Hi icon will be visible in the LCD display.

When in Medium Power and using channels 1 through 7 and 15 through 22, the Med icon will be visible in the LCD.

When in Low Power and when using channels 8 through 14, the Low icon will be visible in the LCD display.

Mode Button

Channel Button

Privacy Code

Listening

Volume Knob

Call Button

Hi•Med•Low Button

Low Power Icon

Med Power Icon

Hi Power Icon

Operation

38 Privacy Codes

Customer Assistance WarrantyIntroduction

Nothing comes close to a Cobra

Operation

English

Using Your Radio

NOAA* All Hazards Radio Channels and Alert

•

You can use your microTALK

radio to listen to NOAA All Hazards Radio channels transmitting in your area.

You can also program your microTALK

radio to sound a tone alert when a local NOAA channel activates an Emergency All Hazards Alert. This will warn you of weather, chemical, and other civilian emergencies.

To Listen to All Hazards Radio channels:

1. Press the Mode button until the Weather

(All Hazards Radio) icon, the currently selected All Hazards Radio channel, and signal strength are displayed.

2. Use the Channel Up or Channel Down

button to change All Hazards Radio channels.

3. Weather (All Hazards Radio) icon will continue

to be displayed when All Hazards Radio is On. a. Press the Mode button to proceed

to other functions.

b. Press the Lock button to exit All

Hazards Radio channel mode and return to Standby Mode.

To Turn On All Hazards Alert:

1. Press the Mode button until the Alert icon flashes

and the current On or Off setting is displayed.

2. Press the Channel Up or Channel Down

button to turn All Hazards Alert On or Off.

3. Alert icon will continue to be displayed

when All Hazards Alert is On. a. Press the Mode button to enter the new

setting and proceed to other functions.

b. Press the Lock button or do not press any

buttons for 15 seconds to enter the new setting and return to Standby Mode.

c. Press the Talk button to enter the new

settings and return to Standby Mode.

*National Oceanographic and Atmospheric Administration

Stopwatch

•

You can use the time keeping feature of your microTALK

radio as a stopwatch, including the display of split times. After starting the timer, you can view an interim “split” time while the first timer continues to run.

To Activate Stopwatch Mode:

1. Press the Mode button until the Stopwatch

icon and “OO:oo:oo” is displayed in the LCD.

2. Press the Channel Up button to

start the stopwatch.

3. Press the Channel Up button again

to stop the stopwatch.

To restart and stop the stopwatch, repeat step 2 and 3.

4. Press the Mode button to exit Stopwatch

Mode and proceed to other functions.

To Activate Split-Time in Stopwatch Mode:

1. Press the Mode button until the Stopwatch

icon and “OO:oo:oo” is displayed in the LCD.

2. After starting the stopwatch (see above),

press the Channel Down button to start the split-time timer. The display will stop, but the stopwatch will continue in the background.

3. Press the Channel Down button to return

to the stopwatch. (To stop the stopwatch, see above.)

To restart and stop the Split-Timer, repeat step 2 and 3.

4. Press the Mode button to exit Stopwatch

Mode and proceed to other functions.

Hazards Radio Icon

Channel Button

Channel Up

Mode Button

Alert Icon

Channel Button

Mode Button

Stopwatch Icon

Operation

Alert Icon

Hazards Radio Icon

Mode Button

Channel Down

Stopwatch Icon

Mode Button

+ 9 hidden pages