Radio Shack PRO-66 Connecting AN Earphone Headphones, Listening Safely, Traffic Safety

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CONNECTING AN EARPHONE/

HEADPHONES

For private listening, you can plug an earphone or mono headphones (such as RadioShack Cat. No. 33-175 or 20-210) into the jack on top of your scanner. This automatically disconnects the internal speaker.

Listening Safely

To protect your hearing, follow these guidelines when you use an ear- phone or headphones.

Do not listen at extremely high volume levels. Extended high- volume listening can lead to permanent hearing loss.

Set the volume to the lowest setting before you begin listening. After you begin listening, adjust the volume to a comfortable level.

Once you set the volume, do not increase it. Over time, your ears adapt to the volume level, so a volume level that does not cause discomfort might still damage your hearing.

Traffic Safety

Do not wear an earphone or headphones while operating a motor vehi- cle or riding a bicycle. This can create a traffic hazard and is illegal in some areas.

Even though some earphones and headphones are designed to let you hear some outside sounds when listening at normal volume levels, they still present a traffic hazard.

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Contents PRO-66 50-Channel Direct Entry Programmable Scanner Features Fm Page 3 Wednesday, August 4, 1999 213 PM FCC Notice Scanning Legally Contents Troubleshooting Power Sources Using Internal BatteriesPreparation Powercharge Important Information about the External Power JacksUsing Standard AC Power Plug the adapter’s power module into a standard AC outlet Using Vehicle Battery Power Charging NICKEL-CADMIUM Batteries Connecting an Optional Antenna Connecting the AntennaConnecting AN Earphone Headphones Traffic SafetyListening Safely Attaching the Belt Clip Connecting AN Extension SpeakerLook AT the Keypad Understanding Your ScannerLook AT the Display Fm Page 19 Wednesday, August 4, 1999 213 PM Operation Turning on the Scanner and Setting SquelchStoring Frequencies Band Search Searching for and Storing Active FrequenciesDirect Search Search Skip Memory Moving a Frequency from the Monitor Memory to a Channel Listening to the Monitor MemoryScanning the Stored Channels Using the 2-Second DelayLocking Out Channels Manually Selecting a ChannelListening to the Weather Band Using the KeylockBirdie Frequencies General Guide to ScanningGuide to Frequencies National Weather FrequenciesGuide to the Action Bands Typical Band UsagePrimary Usage Specified Intervals Band AllocationFm Page 32 Wednesday, August 4, 1999 213 PM Meter Amateur Band- 50-54 MHz Cm Amateur Band 420-450 MHz Frequency Conversion Avoiding Image FrequenciesProblem Possible Cause Remedy TroubleshootingResetting the Scanner Care and Maintenance Specifications RadioShack