Cobra PR900 Service Manual

Cobra Electronics Corporation 6500 West Cortland Street Chicago, IL60707

IfYou Think You Need Service

For te c h n i cal assistance,please call our Au to m a ted Help Desk which can assist you by answering the most fre q u e n t ly asked questions about Co b ra prod u ct s.

A Consumer Service Representative can be reached through this same number

Technical assistance is also available on-line in the Frequently Asked Questions (FAQ)

8:00 am - 6:00 pm,Monday through Friday,CST.

section at www.cobra.com or by e-mail to productinfo@cobra.com

If you think you need service call 1.773.889.3087

“If your product should require factory service please call Cobra first before sending your unit in. This will ensure the fastest turn-around time on your repair.”

You may be asked to send your unit to the Co b ra facto ry.It will be nece s s a ry to furnish the fo l l ow i n g in order to have the product serviced and returned.

1. For Warranty Repair include some form of proof-of-purchase,such as a mechanical reproduction or carbon or a sales receipt. If you send the original receipt it cannot be returned.

2. Send the entire product.

3. Enclose a description of what is happening with the unit.Include a typed or clearly print name and address of where the unit is to be returned.

4. Pack unit securely to prevent damage in transit. If possible,use the original packing material.

5. Ship prepaid and insured by way of a traceable carrier such as United Parcel Service (UPS) or First Class Mail to avoid loss in transit to: Cobra Factory Service, Cobra Electronics Corporation,6500 W.Cortland St., Chicago,IL 60707.

6. If the unit is in warranty,upon receipt of your unit it will either be repaired or exchanged depending on the model.Please allow approximately 3 to 4 weeks before contacting us for status.If the unit is out of warranty a letter will automatically be sent informing you of the repair charge or replacement charge. If you have any questions,please call 1.773.889.3087 for assistance.

Part No. 480-007-P

(773) 889-3087

24 hours a day,7 days a week.

O pe rating Instru ctions for your

2-Way Radio

PR 900 DX

No t h i n g comes close to a Co b ra

™

Controls and Indicators

1. UHF Antenna

2. Speaker/Microphone Jack

3. Charger Jack

4. On/Off Power/Volume Knob

5. LCD Display Panel

6. Speaker

7. Battery Compartment

8. PTTTalk Button

Monitor/LCD Display Light Button

10. Channel Up or Down Buttons

11. Call Button

12. Lock Key

13. Mode Button

14. Belt Clip

Thank you for purchasing the Cobra microTALK

WITH COVER

OPEN

1 1

1 2

PR 900 DX. Properly used,this Cobra product will give you many years of reliable service.

Customer Support

Should you encounter any problems with the product or not understand its many features, please refer to this owner’s manual. If,after referring to the manual, you still need help, call Cobra Customer Service at 773.889.3087.

Important Safety Information For PR 900 DX

Your wireless handheld portable transceiver contains a radio frequency transmitter.When the PTT Talk Button is pushed it sends out RF signals.The device is authorized to operate at a duty factor not to exceed 50% to comply with Federal Communications Commissions (FCC) RF exposure safety level guidelines for handheld wireless devices.

To maintain compliance with the FCC’s RF exposure guidelines hold the transmitter at least 2 inches (5 centimeters) from your face and speak in a normal voice, with the antenna pointed up and away.If you wear the transceiver on your body while using a headset or external microphone accessory,use only the supplied belt clip for this product and ensure that the antenna is at least 2 inches (5 centimeters) from your body when transmitting. If the distance between the antenna and the body is LESS THAN 2.0 INCHES (5 CM) DO NOTTRANSMIT WITH THIS DEVICE IN THE BODY WORN CO N F I G U R AT I O N .Un a u t h o ri zed ante n n a s,m od i f i cat i o n s,or at t a c h m e nt s could damage the tra n s m i t ter and may violate FCC re g u l at i o n s.

Normal Operating Position:Hold the transmitter approximately 2 to 3”from your face and speak in a normal voice,with the antenna pointed up and away.

CAUTION

Cobra Customer Service

Live operators are available M-F 8:00 am - 6:00 pm CST at:

773.889.3087

Automated Technical Assistance available 24 hours a day,seven days a week.E-mail questions to: p rod u ct i n fo @ co b ra . co m

Co b ra on the Wo rld Wide We b : Fre q u e n t ly As ked Questions (FAQ ) can be found on-line at: www.cobra.com

This device complies with part 15 of the FCC rules.Operation is s u b j e ct to the co n d i t i o n that this device does not cause harmful interference.

A2 3

General Mobile Radio Service

Contents

Features .........................................................................................................1

FCC Licensing Information

The PR 900 DX radio operates on General Mobile Radio Service (GMRS) frequencies which require a Fe d e ral Co m m u n i cation Commission (FCC) lice n s e.

For licensing information and application forms, please call the FCC Hotline at:

1-800-418-FORM

(You need form #159 and form #605) If you have any questions regarding the license

application you can contact the FCC direct at

1-888-CALL-FCC.

FCCWarnings

Replacement or substitution of transistors,regular diodes or other parts of a unique nature,with parts other than those recommended by Cobra, may cause a violation of the technical regulations of part 95 of the FCC Rules,or violation of Type Acceptance requirements of Part 2 of the Rules.

Included with your microTALK PR 900 DX

1 Belt Clip

General Mobile Radio Service.............................................................A1

FCCWarnings Included Accessories

Controls & Indicators...............................................................................A2

Our Thanks toYou.....................................................................................A3

Customer Support.................................................................................A3

Operating your microTALK PR 900 DX

Battery Installation................................................................................2

Battery Low..............................................................................................3

Turning On...............................................................................................4

LCD Display..............................................................................................4

Select Main Channel (1-15)................................................................5

Select CTCSS Privacy Code (00-38)..................................................5

Talking To Another Party.....................................................................8

Calling Another Party...........................................................................10

Auto Squelch...........................................................................................12

Maximum Range Extender.................................................................12

External Microphone/Speaker Jack.................................................13

Advanced Features...................................................................................14

Lock Function..........................................................................................14

Busy Channel Lock Out........................................................................15

VOX..............................................................................................................16

Scan Function..........................................................................................17

Auto Channel Scan List........................................................................19

Priority Scan Channel...........................................................................20

Key Tone Settings..................................................................................21

microTALK PR 900 DX Range...............................................................22

Making Life Easier And Safer ..............................................................23

Frequency Ranges ....................................................................................25

Caring for Your microTALK PR 900 DX ...........................................27

microTALK PR 900 DX Specifications..............................................28

Limited TwoYear Warranty...................................................................29

Optional Accessories...............................................................................30

Order Form...................................................................................................31

If You Think You Need Service............................................Back Cover

How to Use Your Cobra

2 - Way Radio

Features of This Product

• UHF FM Frequencies

• Up to 5 Mile Range

• 15 GMRS Channels (7 shared FRS Channels)

• 38 CTCSS Privacy Codes

• LCD Function Display

• Auto Squelch

• Lock Key

• Call Fe a t u re (5 tone settings)

• Belt Clip

• VOX

• SuperFlex™ Antenna

• Programmable/Priority Scan

• Rechargeable Batteries Included

• Charger Adapter Included

Operation

Battery Installation

Note

Rechargeable NiMH batteries are included with your PR 900 DX.When not using your NIMH batteries, always use high quality alkaline batteries.

Incorrect positioning can damage batteries and unit.

Install Batteries

Pull lock tab down and lift door up (towards you) to remove battery cover.

Insert 4“AAA” batteries.Position batteries according to po l a ri ty marki n g s.

Battery Low

When in normal use the ( ) BATT LOW icon may begin flashing. This is a warning that batteries are getting low.

Antenna

The radio is equipped with a SuperFlex™ antenna,which flexes without breaking and withstands the demands of an active lifestyle.

Battery Low

Note

When battery capacity is at the 1/3 level it is recommended that you recharge your rechargeable batteries or replace your alkaline batteries.

Charge port is located on side of unit.

Antenna

Operation

Turning On Your microTA L K PR 900 DX

Note

Wh e n ever the unit is on yo u can re ce i ve co m m u n i ca t i o n s, ( except while pushing the P TT Talk Bu t to n ,or while in Mode Fu n ct i o n ) .

Illuminating the Display

Turning On Your microTALK PR 900 DX

TURN KNOB CLOCKWISE

Turnthe Volume Control clockwise to switch power on.Set volume to desired level.Turn the Volume Co nt rol co u nte r - c l oc kwise to turn power off.

Illuminating the Display

PRESS AND

RELEASE

Press and release Monitor Button to illuminate

display for ten seconds.

Select Channels (1-15)

Main Channels 1-7 are shared with FRS radios.

PRESS

UP OR DOWN

Turn onyour microTALK PR 900 DX. An audible “tone”will indicate the unit is on and the LCD will self-test for 2 seconds and then go to Operational Mode.

Select channel by pressing and releasing the

ChannelUp or Down Buttons.

Select CTCSS Privacy Code (00-38)

Selecting a CTCSS Privacy Code will enable you to filter out unwanted conversations and allow greater privacy.For example,when with a group of friends,you select channel 7 and privacy code 1,you will hear your friends and filter out conversations on channel 7 with privacy codes 2 through 38.

Select Channels

Note

Units must be on same Main Channel and CTCSS Privacy Code to communicate.

Note

Push and hold Channel Up or Down Buttons for fast channel/code advance.

Select CTCSS Privacy Code

Note

If you push and hold the Mode Button,the LCD display will cycle through

the different functions.

Operation

Select CTCSS Privacy Code

Note

Press and hold Channel Up or Down Buttons for fast channel/code advance.

Select CTCSS Privacy Code continued

PRESS AND

RELEASE

After selecting a Main Channel as instructed on page 5,press and release Mode Button. Smaller numbers and the “CTCSS”icon will flash next to Main Channel display on LCD.

PRESS

UP OR DOWN

Se l e ct C TCSS Pri va cy Code number by pre s s i n g

and re l e a s i n gt h e ChannelUporDownButtons.

PRESS AND

RELEASE

When desired CTCSS Pri va cy Code is displaye d p ress andrelease PTT Talk Bu t ton or the

Mode Bu t ton to co n f i rm your select i o n .

Your PR 900-2 DX can also display the CTCSS Pri va cy Code as a fre q u e n cy number rather than as a p ri va cy code numbe r.Tos e l e ct the fre q u e n cy n u m be r d i s p l ay option,m a ke sure your PR 900-2 DX is off.While p re s s i n g t h e Mode Bu t to n , turn on the unit.Use the Channel Up / Dow n Bu t tons to tog g l e be tween T c Code (pri va cy cod e n u m ber) and T c FrE9 (pri va cy code fre q u e n cy n u m be r ) .Pu s h the P TT Talk Bu t ton to co n f i rm your select i o n .C TCSS Pri va cy Code numbers and the co rre s ponding fre q u e n cy numbers are liste d on page 26.

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