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Limited Two Year Warranty

COBRA ELECTRONICS CORPORATION warrants that its
COBRA Radios, and the component parts thereof, will be
free of defects in workmanship and materials for a period
of two (2) years from the date of first consumer purchase.
This warranty may be enforced by the first consumer 
purchaser, provided that the product is utilized within 
the U.S.A.

COBRA will,without charge, repair or replace, at its option,
d e fe ct i ve ra d i o s, p rod u cts or co m po n e nt parts upon delive ry
to the COBRA factory Service Departmen t, 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 for warranty service, but the return charges
will be at Cobra's expense, if the product is repaired or
replaced under warranty.

This warranty gives you specific legal rights, and you may
also have other rights which vary from sta te to state.

Exclusions: This limited warranty does not apply ; 1) to any
p rod u ct damaged by accident ; 2) in the eve nt of misuse 
or abuse of the prod u ct or as a result of unauthori ze d
a l te rations or re p a i r s ; 3) if the serial number has been alte re d,
defaced or removed;4) if the owner of the product resides
outside the U.S.A.

All implied wa rra nt i e s, including wa rra nties of 
m e rc h a nt a b i l i ty and fitness for a particular purpose 
a re limited in duration to the length of this wa rra nty.

CO B RA shall not be liable for any incident a l ,co n s e q u e nt i a l
or other damages; i n c l u d i n g,without limitat i o n ,d a m a g e s
resulting from loss of use or cost of installat i o n .

Some states do not allow limitations on how long an
implied wa rra nty lasts and/or do not allow the exc l u s i o n
or limitation of incidental or consequential damages,
so the above limitations may not apply to you.

Cobra Electronics
Corporation

6500 West Cortland Street
Chicago, Illinois 60707

I.GENERAL SPECIFICATIONS

B. RECEIVER

UNIT 

1. SENSITIVITY

FOR 12 DB SINAD  

uV 

0.25 

FOR CALL SIG.DETECTION 

uV 

0.2

2. MAX. AUDIO OUTPUT @5% THD

MW

300

3. MAX.S/N RATIO @ 1mV RF INPUT 

DB 

45 

4. SQUELCH 

a) SENS.

uV 

0.2 

b) ATTACK TIME 

mS 

120 

c) CLOSING TIME 

mS 

200 

5. AUDIO FREQUENCY RESP.

@ 300 HZ 

DB 

-2

@ 2500 HZ 

DB 

-6

6. SIGNAL DISPLACEMENT BW

+/-KHZ 6

7. INTERMODULATION REJECTION 

DB 

65 

8. SPURIOUS RESPONSE REJECTION 

DB 

65 

C.TRANSMITTER 

UNIT 

1. EFFECTIVE RADIATED POWER

W

2

2. CARRIER FREQ.STABILIT Y

p p m

5

3. MODULATION LIMITING

KHZ 

4.0

4. CARRIER ATTACK TIME

mS 

80 

5. AUDIO FREQUENCY RESPONSE

@ 300 HZ 

DB

-10

@ 2500 HZ 

DB

+4

6. AUDIO DISTORTION 

%

3

7. HUM and NOISE 

DB 

-40

8. TRANSIENT FREQ.BEHAVIOR

a) TX ON

mS 

30 

b) TX OFF 

mS 

5

D. POWER SUPPLY

1. BATTERY LIFE (1:1:18 RATIO) 

HR 

18

2. BATTERY (4 x AAA)

V

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Specifications

Summary of Contents for microTALK PR 900 DX

Page 1: ...to furnish the following 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 t...

Page 2: ...duct 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 NOT TRANSMIT WITH THIS DEVICE IN THE BODY WORN CONFIGURATION Unauthorized antennas modifications or attachments could damage the transmitter and may violate FCC regulations Normal Operating Position Hold the transmitte...

Page 3: ... Privacy Codes LCD Function Display Auto Squelch Lock Key CallFeature 5tonesettings Belt Clip VOX SuperFlex Antenna Programmable Priority Scan Rechargeable Batteries Included Charger Adapter Included Contents Features 1 General Mobile Radio Service A1 FCC Warnings Included Accessories Controls Indicators A2 Our Thanks to You A3 Customer Support A3 Operating your microTALK PR 900 DX Battery Install...

Page 4: ...l it is recommended that you recharge your rechargeable batteries or replace your alkaline batteries Charge port is located on side of unit 2 Operation 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 Battery Installation Pull lock tab down and lift doo...

Page 5: ...vacy 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 CTCSS Privacy Code Note If you push and hold the Mode Button the LCD display will cycle through the different functions 4 Operation Illuminating the Display Illuminating the Display Press and release Monito...

Page 6: ...corresponding frequency numbers are listed on page 26 7 Operation When desired CTCSS Privacy Code is displayed pressand release PTT Talk Button or the Mode Button to confirm your selection PRESS AND RELEASE 6 Operation Select CTCSS Privacy Code Note Press and holdChannel Up or Down Buttons for fast channel code advance After selecting a Main Channel as instructed on page 5 press and release Mode B...

Page 7: ... you are not in Mode Function See Advanced Features section on page 14 Standby Mode 8 Note While PTTTalk Button is depressed you cannot receive incoming calls Operation Press and hold PTT Talk Button The transmit LED will light up in red Release PTT Talk Button and listen for response Hold mic about 2 inches from mouth Speak in a normal voice Talking to Another Party PRESS AND HOLD RELEASE FOR RES...

Page 8: ...nt on your unit s volumesetting Both the calling and receiving units must be on same Main Channel and CTCSS Privacy Code for the Call Function to work Note Your microTALK PR 900 DX is always in the Standby Mode when thePTTTalk Button is not depressed Operation PRESS AND RELEASE 10 Select desired Main Channel by pressing and releasing Channel Up or Down Buttons Both the calling and receiving units ...

Page 9: ... Extender Auto Squelch Your microTALK PR 900 DX is equipped with Auto Squelch which automatically shuts off weak transmissions and unwanted noise due to terrain conditions or if you have reached your range limit Auto Squelch sensitivity can be changed to HI least sensitive or LOW most sensitive by pressing the Mode Button until the 5 HI or LO is displayed Use the Channel Up or Down Buttons to togg...

Page 10: ... PRESS AND RELEASE Lock Function The Lock Function locks the Channel Up and Down Buttons and Mode Button to avoid accidental operation To engage the Lock Function 14 Advanced Features Advanced Features Your microTALK PR 900 DX has many advanced features not found on other 2 Way Radios These include Lock Key Busy Channel Lock Out VOX Main Channel CTCSS Privacy Code Scan Priority Scan Selection Mode...

Page 11: ...olume Control counterclockwise to turn power OFF Press and hold the PTT Talk Button Rotate theVolume Control clockwise to turn power ON To set the VOX sensitivity level A Press the Mode Button untilVOX icon flashes and VOX appears in LCD Panel B Press the Channel Up or Down Buttons to select from 01 10 Voice Levels with 01 being the least sensitive and 10 being the most sensitive C Press the PTT T...

Page 12: ...uto Channel Scan List Selection Mode Advanced Features PRESS AND RELEASE 18 Press Channel Up or Down Buttons and the unit will begin scanning the Main Channels Unit will continue to scan all Main Channels with CTCSS Privacy Codes that are on the scan list p 19 and stop if an incoming transmission is detected A Press and hold PTT Talk Button and talk Your radio will return to Operational Mode on th...

Page 13: ...ASE 20 20 Advanced Features Priority Scan Channel Selection Mode Thisfunction allows you to monitor one particular channel while scanning otherchannels at the same time If youpre set any Priority ScanChannel other than thecurrent channelinuse the pre set channel will bescanned every 0 5 second andany strong signals on that channelwillbe displayed To access the Priority Scan menu Press the Mode But...

Page 14: ...a friend Communicating between basement and first second or third floor 22 microTALK PR 900 DX Range Your microTALK PR 900 DX has a range up to 5 miles in GMRS This effective range can be shortened under some conditions Under flat open conditions you will experience the radio s maximum range Range can be reduced by buildings and foliage in the path of the signal Range will be further reduced by de...

Page 15: ...62 5750 9 462 6250 10 462 6750 11 462 5500 12 462 6000 13 462 6500 14 462 7000 15 462 7250 Channel GMRS Frequency Codes In MHz Channels 1 7 shared with FRS 24 microTALK PR 900 DX Can Make Your Life Easier and Safer continued Checking on traveling companions in another car Agree on a meeting spot after an event Making Life Easier and Safer microTALK PR 900 DX 2 Way Radios Can Make Your Life Easier ...

Page 16: ... as it should please call Cobra at 773 889 3087 Do not return the unit to the retailer Handle unit gently Keep away from dust 26 26 Frequency Range 01 67 0 Hz 21 136 5 Hz 02 71 9 Hz 22 141 3 Hz 03 74 4 Hz 23 146 2 Hz 04 77 0 Hz 24 151 4 Hz 05 79 7 Hz 25 156 7 Hz 06 82 5 Hz 26 162 2 Hz 07 85 4 Hz 27 167 9 Hz 08 88 5 Hz 28 173 8 Hz 09 91 5 Hz 29 179 9 Hz 10 94 8 Hz 30 186 2 Hz 11 97 4 Hz 31 192 8 Hz...

Page 17: ...duct resides outside the U S A All implied warranties including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty COBRA shall not be liable for any incidental consequential or other damages including without limitation damages resulting from loss of use or cost of installation Some states do not allow limitations on how long a...

Page 18: ... Cobra Electronics Accessories Dept 6500 West Cortland St Chicago IL 60707 Shipping Handling Amount of Shipping Order Handling 25 00 and under 4 75 25 01 40 00 6 95 40 01 80 00 9 25 80 01 120 00 10 25 120 01 160 00 11 75 160 01 and up 14 50 For AK HI and PR please add an additional 15 00 for UPS shipments Replacement Belt Clip FA BC You Can Find These Fine Accessories At Your Local Cobra Dealer If...

Page 19: ...a line of quality products also includes Citizens Band Radios microTALK Radios Radar Laser Detectors GPS SafetyAlert Traffic Warning Systems Accessories HighGear Accessories Nothing comes close to a Cobra Notes ...

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