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Selectivity

±8 kHz ........................................................................ –6 dB
±17 kHz .................................................................... –50 dB
Search Speed ..................................... Up to 80 Steps/Sec
Scan Speed .................................. Up to 40 Channels/Sec
Delay Time ........................................................ 2 Seconds

IF Frequencies

1st IF .................................................................... 10.7 MHz
2nd IF ......................................................................455 kHz
IF Interference Ratio (10.7 MHz) .......... 70 dB at 154 MHz

Squelch Sensitivity

Threshold..................................................Less than 0.5 uV
Tight (FM) ................................................. (S + N)/N 25 dB
Tight (AM) ................................................ (S + N)/N 20 dB

Antenna Impedance ............................................50 Ohms
Audio Output Power (10% THD) ..........180 mW Nominal
Built-In Speaker.................1 3/8 Inches (36 mm), 8 Ohms
Operating Temperature ........14° to 140°F (–10° to 60°C)
Power Requirements ..................................4 AA Batteries
............................................9V AC Adapter (not supplied)
............................................9V DC Adapter (not supplied)
Current Drain (Squelched) ...................................... 45 mA
Dimensions (HWD) .............................5 

Ð

 x 2 

È

 x 1 

Ï

 In  

...............................................................(145 x 63 x 40 mm)
Weight (without antenna) ...............approx. 7.8 oz (220 g)

Specifications and depictions are subject to change and 
improvement without notice. Actual product may vary 
from the images found in this document.

Limited Warranty

RadioShack

 warrants this product against defects in materials and 

workmanship under normal use by the original purchaser for 

one 

(1) year 

after the date of purchase from a 

RadioShack

-owned store 

or an authorized 

RadioShack

 franchisee or dealer.  

RADIOSHACK

 

MAKES NO OTHER EXPRESS WARRANTIES.
This warranty does not cover: (a) damage or failure caused by 

or attributable to abuse, misuse, failure to follow instructions, 

improper installation or maintenance, alteration, accident, Acts of 

God (such as floods or lightning), or excess voltage or current; (b) 

improper or incorrectly performed repairs by persons who are not 

RadioShack

 Authorized Service Facility; (c) consumables such as 

fuses or batteries; (d) ordinary wear and tear or cosmetic damage; 

(e) transportation, shipping or insurance costs; (f) costs of product 

removal, installation, set-up service, adjustment or reinstallation; and 

(g) claims by persons other than the original purchaser.
Should a problem occur that is covered by this warranty, take the 

product and the 

RadioShack

 sales receipt as proof of purchase 

date to any 

RadioShack

 store in the U.S.  

RadioShack

 will, at its 

option, unless otherwise provided by law: (a) repair the product 

without charge for parts and labor; (b) replace the product with the 

same or a comparable product; or (c) refund the purchase price. 

All replaced parts and products, and products on which a refund is 

made, become the property of 

RadioShack

.  New or reconditioned 

parts and products may be used in the performance of warranty 

service.  Repaired or replaced parts and products are warranted for 

the remainder of the original warranty period.  You will be charged 

for repair or replacement of the product made after the expiration of 

the warranty period.

RADIOSHACK

 EXPRESSLY DISCLAIMS ALL WARRANTIES AND 

CONDITIONS NOT STATED IN THIS LIMITED WARRANTY.  

ANY IMPLIED WARRANTIES THAT MAY BE IMPOSED BY LAW, 

INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY 

AND, IF APPLICABLE, THE IMPLIED WARRANTY OF FITNESS FOR 

A PARTICULAR PURPOSE, SHALL EXPIRE ON THE EXPIRATION OF 

THE STATED WARRANTY PERIOD. 
EXCEPT AS DESCRIBED ABOVE, 

RADIOSHACK

 SHALL HAVE 

NO LIABILITY OR RESPONSIBILITY TO THE PURCHASER OF THE 

PRODUCT OR ANY OTHER PERSON OR ENTITY WITH RESPECT 

TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR 

INDIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR 

ARISING OUT OF ANY BREACH OF THIS WARRANTY, INCLUD-

ING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM 

INCONVENIENCE AND ANY LOSS OF TIME, DATA, PROPERTY, 

REVENUE, OR PROFIT AND ANY INDIRECT, SPECIAL, INCIDENTAL, 

OR CONSEQUENTIAL DAMAGES, EVEN IF 

RADIOSHACK

 HAS 

BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some States do not allow limitations on how long an implied war-

ranty lasts or the exclusion or limitation of incidental or consequen-

tial damages, so the above limitations or exclusions may not apply to 

you.  This warranty gives you specific legal rights, and you may also 

have other rights which vary from State to State. You may contact 

RadioShack

 at: 

RadioShack

 Customer Relations 

300 RadioShack Circle, Fort Worth, TX 76102  

04/08

Содержание PRO-404

Страница 1: ...anner from RadioShack Please read this user s guide before installing setting up and using your new scanner Handheld Radio Scanner www radioshack com Package Contents Scanner Antenna Belt Clip User s...

Страница 2: ...2 Storing Found Frequencies into Channels 23 Scanning the Stored Channels 24 Turning Channel Storage Banks On and Off 24 Monitoring a Stored Channel 25 Clearing a Stored Channel 25 Listening to the Ma...

Страница 3: ...ce When you find a frequency you can store it into a programmable memory location called a channel Features Your new PRO 404 Handheld Scanner lets you scan conventional transmissions and is preprogram...

Страница 4: ...ated to marine fire police aircraft ham radio and weather services This is handy for quickly finding active frequencies instead of searching through an entire bank see Service Bank Search on page 22 P...

Страница 5: ...55 730 156 210 60 158 730 159 210 60 166 250 170 150 3 453 0375 453 9625 12 5 458 0375 458 9625 12 5 460 0125 460 6375 12 5 465 0125 465 6375 12 5 Aircraft Service Bank Group Frequency Range MHz Step...

Страница 6: ...that bank DELAY Input a decimal point when entering frequencies Program a two second delay for the selected channel ENT Enter Complete the entry of frequencies SCAN MAN Manual Enter Scan mode to scan...

Страница 7: ...M Program mode PRI Priority feature is active DLY Two second delay is active Row 1 Row 2 Row 3 Row 4 Additional Display Messages ALL CH L out All channels locked out during scan or marine band search...

Страница 8: ...e scanner 2 Place 4 AA batteries into the correct battery holder matching polarity symbols Black Alkaline non rechargeable Yellow Rechargeable Ni MH or Ni Cd 3 Place the battery holder into the batter...

Страница 9: ...ng the environment and conserving natural resources Call 1 800 THE SHACK 1 800 843 7422 for more information Using External Power You can power your scanner using a power source that supplies 9V DC an...

Страница 10: ...e HEADPHONE jack on the top of the scanner This automatically disconnects the internal speaker Listening Safely Do not wear headphones earphones or earbuds while operating a motor vehicle or riding a...

Страница 11: ...f you made a mistake entering the frequency Error appears and the scanner beeps three times when you press ENT Start again from Step 2 Your scanner automatically rounds the entered frequency down to t...

Страница 12: ...on all banks Police Fire Aircraft or Ham Service Banks When the scanner is in manual scan or tune mode press to search for activity on all banks When the scanner is in the Police Fire Aircraft or Ham...

Страница 13: ...hen you turn on a bank during scanning the scanner moves to the selected bank and scans it If no transmission is found the scanner continues to scan through all selected banks Monitoring a Stored Chan...

Страница 14: ...priority channel 1 Press 2 Select the weather channel you want to set as the priority channel 3 Press and hold ENT then PRI ALERT P ChAnnEL is displayed momentarily Then PCH flashes and 000 0000 or t...

Страница 15: ...nal Weather Service forecast office Using the Skywarn feature in your scanner you can easily jump to your local Skywarn frequency and monitor these reports in many cases hearing about severe weather i...

Страница 16: ...ou reach the highest locked out frequency the scanner beeps twice and rolls to the lowest locked out frequency If the Service Bank has no locked out frequencies EMPty appears Removing Lock outs from A...

Страница 17: ...the programmed data to and from a PRO 404 scanner using an optional connecting cable with inch 3 5mm stereo phone plugs on both ends available from your local RadioShack store or www RadioShack com 1...

Страница 18: ...be the same as birdie frequencies Avoid programming birdie frequencies or only listen to them manually Birdie Frequencies Every scanner has birdie frequencies Birdies are signals created inside the sc...

Страница 19: ...to make any modifications that could allow it to pick up transmissions that are not legal to listen to Doing so could subject you to legal penalties In some areas mobile use of this scanner is unlawfu...

Страница 20: ...the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store in the U S RadioShack will at its option unless otherwise provided by law a repair the product without c...

Страница 21: ...rights reserved RadioShack and RadioShack com are trademarks used by RadioShack Corporation Protect the environment by recycling your used electronics Go to E CyclingCentral com to find an electronic...

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