Radio Shack 20-426 Frequently asked questions FAQs, Drive by patrol cars but do not hear alarms?

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Beyond the Basics

frequently asked questions (FAQs)

Q:I drive by patrol cars but do not hear alarms?

A:Make sure you are scanning in Highway Mode. Check your antenna connections. In some cases, the alarm might not go off depending on the proximity of the patrol car to your vehicle. Also, terrain or other factors might be involved. Police ofﬁcers can turn off the mobile extender when off duty or when going to court; however, they normally leave them on when on trafﬁc duty. If you monitor user-programmed frequencies, switch to one of the preprogrammed frequency banks. Make sure MUTE and FLASH are both turned off. Some priority frequencies may be locked out.

Q:My scanner is on but won’t scan or reception is weak. How do I get it to scan?

A:Make sure the AC adapter is securely connected. If you are using an AC adapter and the wall socket it is plugged into is controlled by a wall switch, make sure the wall switch is turned on. If reception is poor, check the antenna connection or move the scanner. You might be in a remote area which could require an optional multi-band antenna. Check with your local RadioShack store.

Q:My scanner is not receiving weather channels. How do I set it so I can receive weather channels?

A:The scanner might be set to weather alert mode. If this happens, it cannot receive weather channels until it receives a weather alert. To hear a weather channel at any time, make sure weather alert is turned off. See “NWR SAME” for more information.

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Contents Pro-2051 1,000-Channel Triple Trunking Mobile/Base Scanner Contents Basics Power your scannerSet up your scanner BasicsHighway patrol alerts Advanced scanner featuresBeyond the Basics Scanning a private bankWarranty Contents SkywarnSignal Stalker Wired programmingHOLD/RESUME Your scanner’s keypadTo Do This Your scanner’s rear view Trunk Your scanner’s displayFCC wants you to know Mounting the scanner in your vehicle Install your scannerFrom a wall outlet Power your scannerThrough your vehicle’s ignition negative ground only Rear View From your vehicle’s cigarrette lighterConnecting an external antenna Connecting the supplied antennaConnect your scanner Use extreme caution when installing or removing an Connecting an external speakerListening Safely Turn on your scanner Set up your scannerSet the squelch Common scanner terms Basics Listen to preprogrammed frequenciesScanning overview Basics Storing known frequencies into channels Advanced scanner featuresBeyond the Basics Channel storage banksBeyond the Basics Locking out channels Locking out a channel in hold modeLocking out a channel in scanning mode Beyond the Basics Deleting a stored frequencyMemory lock Restoring a locked-out channel in hold modeRestoring all locked-out channels Beyond the Basics Hold/resume Direct channel accessScanning a private bank Changing the priority channel Beyond the Basics Priority scanService scanning Beyond the Basics Band search Setting a search bandSearch hold Data skipStoring search frequencies Beyond the Basics Frequency skipDelay Highway patrol/local police scanning Highway patrol alertsSelecting the state State Code Order Press these buttons Action Beyond the Basics Scan hold Setting the alert tone volumeHighway warning alert Skip frequencies Adjusting alertHighway patrol priority channels Muting the alert toneTrunked highway frequencies About Skywarn SkywarnNWR Same Programming Fips Programming a Fips codeBeyond the Basics Signal Stalker Setting the signal stalker options Beyond the Basics Using signal stalker Trunk tracking Setting the squelchProgramming trunking frequencies Selecting Trunking System Type Programming id scan lists manually Edacs talk groups Motorola talk groupsReceiving trunked systems LTR talk groupsID scan hold mode ID scan modeID search mode Direct entry id hold modeID search hold mode Programming scan lists during search ID monitor modeDeleting a stored ID Reviewing ID lockout ID lockoutRestoring locked-out IDs Setting priority in trunking mode Setting the delay mode for trunking modeTrunking frequency conﬁrmation Multi-track Moving between scan list memoriesAbout multi-track Programming Edacs system frequencies Edacs trackingBeyond the Basics An Edacs trunked system Special Edacs featuresAFS partial entry Edacs ID blockout Edacs ID range searchEdacs Scat Tracking LTR systemsBeyond the Basics Tracking Motorola systems ﬂeet map programming Preset Fleet Maps E1P1 E1P5 E1P11 User-deﬁned ﬂeet maps Selecting a Preset Fleet MapFleet Map Size Codes Programming a user ﬂeet map Size code restrictionsProgramming a Hybrid system You can only enter within a range of 5-100 kHz, and 5 or Toggling the status bit Control channel only mode Disconnect tone detect option end code If the scanner receives no data from the PC for more than Cloning your scanner Birdies Replacing the fuse in the DC power cordProperly Beyond the Basics Resetting your scannerDrive by patrol cars but do not hear alarms? Frequently asked questions FAQsError appears on the display. What does it mean? If Frequencies SpeciﬁcationsGlossary Care Service and repair