Radio Shack 20-426 manual Connecting an external speaker

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The Basics

When deciding on an antenna and its location, consider the following:

•The location of the antenna should be as high as possible.

•The antenna and antenna cable should be as far as possible from sources of electrical noise (appliances, other radios, and so on).

•The antenna should be vertical for the best performance.

Note	Use extreme caution when installing or removing an

outdoor antenna. If the antenna starts to fall, let it go! It could contact overhead power lines. If the antenna touches a power line, touching the antenna, mast, cable, or guy wires can cause electrocution and death. Call the power company to remove the antenna. Do not attempt to do so yourself.

connecting an external speaker

If you mount the scanner in your dashboard or if you use it in a noisy area, you may want to add an external speaker (available at your local RadioShack store) to improve your ability to hear. Plug the speaker cable’s 1/8 inch (3.5

mm)plug into your scanner’s EXT SP jack.

Connect external

speaker here

Note

Connecting an external speaker disconnects the scanner’s internal speaker.

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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 scannerPower your scanner From a wall outletThrough your vehicle’s ignition negative ground only Rear View From your vehicle’s cigarrette lighterConnecting the supplied antenna Connecting an external antennaConnect your scanner Use extreme caution when installing or removing an Connecting an external speakerListening Safely Set up your scanner Turn on your scannerSet the squelch Basics Listen to preprogrammed frequencies Common scanner termsScanning 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 frequencyRestoring a locked-out channel in hold mode Memory lockRestoring 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 alerts Highway patrol/local police scanningSelecting the state State Code Order Press these buttons Action Setting the alert tone volume Beyond the Basics Scan holdHighway 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 modeDirect entry id hold mode ID search modeID search hold mode ID monitor mode Programming scan lists during searchDeleting a stored ID ID lockout Reviewing ID lockoutRestoring locked-out IDs Setting the delay mode for trunking mode Setting priority in trunking modeTrunking frequency conﬁrmation Multi-track Moving between scan list memoriesAbout multi-track Programming Edacs system frequencies Edacs trackingSpecial Edacs features Beyond the Basics An Edacs trunked systemAFS 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 Size code restrictions Programming a user ﬂeet mapProgramming 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