Radio Shack 20-107, PRO-107 manual Troubleshooting, Problem Cause Solution

Page 27

Additional Info

Troubleshooting

Problem

Cause

Solution

 

 

 

The scanner

No power.

Ensure that iSCAN is equipped with

does not turn

 

fresh batteries. If powering iSCAN

on

 

from external power, make sure

 

 

that the external power plug is fully

 

 

inserted into iSCAN’s PC/IF jack.

 

 

 

Low battery

Low batteries

Recharge rechargeable batteries,

warning beeps

 

replace alkaline batteries, or plug in to

and message

 

external power.

on LCD display

 

 

 

 

 

Poor or no

Weak signals

Reposition for best reception.

reception

from distant

Turn SQUELCH counter-clockwise.

 

stations.

 

 

 

 

 

 

Attenuator in

Check performance with and without

 

use on weak

attenuator activated; use setting with

 

signals.

best reception.

 

 

 

 

Strong signal

Check performance with and without

 

overload

attenuator activated; use setting with

 

from nearby

best reception.

 

transmitter.

 

 

 

 

 

Loose or defec-

Inspect antenna and connectors and

 

tive antenna.

correct any problems found.

 

 

 

 

Incorrect mod-

Ensure that proper modulation mode

 

ulation mode

is selected for the type of system

 

selected.

being monitored. If necessary, use

 

 

iSCAN PC Application to change

 

 

modulation mode. See “RX Mode” on

 

 

page 37.

 

 

 

Scanning

The batteries

Recharge or replace the batteries.

not available

are low and all

 

shown on

functions that

 

display

write data to

 

 

the SD Card

 

 

(including

 

 

scanning) are

 

 

disabled to

 

 

prevent data

 

 

corruption.

 

 

 

 

Problem

Cause

Solution

 

 

 

The scanner is

Squelch may

Turn the squelch control

on but does

not be adjusted

counterclockwise.

not scan

correctly.

 

The scanner

The SD Card

Use the iSCAN PC Application to

does not rec-

is not properly

reformat the card. If using Windows to

ognize the SD

formatted.

format the card, the card format must

Card

 

be FAT with 32k clusters.

 

 

 

 

The SD Card

Press the SD Card into the slot until

 

may not be

a click is heard and the card is fully

 

inserted fully.

inserted in the slot.

 

 

 

 

The SD Card

Replace with a new SD Card.

 

may be

 

 

defective.

 

 

 

 

Init SD Card

The SD Card

Use the iSCAN PC Application to

remains when

is not properly

reformat the card.

the scanner is

formatted.

 

turned on

 

 

The SD Card

Press the SD Card into the slot until

 

 

may not be

a click is heard and the card is fully

 

inserted fully.

inserted in the slot.

 

 

 

iSCAN does

The USB cable

Connect the USB cable to the scanner

not accept

is not plugged

and the computer to proceed.

a firmware

into the com-

 

upgrade

puter or the

 

 

scanner.

 

 

 

 

 

The USB cable

Use the CD to install the cable drivers.

 

drivers are not

 

 

installed.

 

 

 

 

Additional Info

52

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Image 27
Contents ISCAN Trunking Scanner Contents Package Contents FeaturesIntroduction Trunked Radio Systems How iSCAN WorksUnderstanding Objects Conventional FrequenciesUnderstanding the Library Organization Library Copyright NoticeNNotes Skip Understanding Keys and FeaturesChannel Status Indicators Understanding the DisplayDisplay Icons Installing Batteries SetupPowering iSCAN Connecting an External AntennaCharging Ni-MH Batteries Using AC PowerUsing Vehicle Power Press and hold to power off iSCANTurn on iSCAN and Set Squelch Connecting Earphones or HeadphonesConnecting an External Speaker Basic OperationPress and hold to turn on iSCAN. The Main Menu displays Using iSCAN’s Main MenuProgramming iSCAN Browse the LibraryImport Objects to Playlists Select Objects from the LibraryScroll to the system you are Importing Trunked SystemsNNote Not all states have a Systems data type LocationWorking with Objects Working with PlaylistsEditing Objects Skipping ObjectsObject Edit- Menu Settings- Menu Changing iSCAN’s SettingsNNote Global Attenuation must be Signal StalkerNNote Press Skip to block reception of undesired signals SearchingService Search Services- MenuStalker- Menu Limit Search Service X- MenuFrequency to monitor the alert Normal Weather ModeWeather Priority Mode Weather ModesInstructions to save changes and exit Same Standby ModeAbout Same Signals Programming Fips CodesSkywarn Activating Same Standby ModeNNote Press Skip again to return to Normal Weather Mode Working with iSCAN’s DataRemoving and Inserting the SD Card SD Card ContentsInstalling the iSCAN PC Application Custom Setup Flash Patterns Additional InformationProblem Cause Solution TroubleshootingSpecifications Service and Repair Birdie FrequenciesCare FCC Notice Scanning LegallyKey Terminology Same Limited WarrantyRadioReference.com Printed 11A09 China 20-107 GR-09D-1920