What causes the Radio Shack DX-399 Receiver scan to stop?
The scan function on your Radio Shack Receiver might stop when there's no clear signal due to what are called 'birdies.' Using an outdoor antenna might reduce these signals.
Why does my Radio Shack DX-399 have weak sound?
Weak sound from your Radio Shack Receiver can occur due to several reasons. Check these potential causes: * The batteries might be weak, so try replacing them. * The antenna may need adjustment; try adjusting it for a better signal. * Metal obstructions can block the signal; move the receiver near a window if you're inside a vehicle or metal building. * Your receiver might be too close to a computer or its peripherals; try moving the receiver away.
What to do if MANUAL TUNING buttons do not respond on Radio Shack DX-399 Receiver?
If the MANUAL TUNING and other front panel buttons on your Radio Shack Receiver aren't responding and you see 'o-w' on the display, it means the lock switch is set to '•O'W.' To fix this, slide the lock switch down.
General| Brand | Radio Shack |
|---|---|
| Model | DX-399 |
| Category | Receiver |
| Language | English |
Specifies the receiver's wide frequency range for shortwave listening.
Ensures precise and stable tuning without drift.
Allows quick and easy viewing of time, band, and frequency.
Enables setting a primary and secondary clock for different time zones.
Automatically tunes to and stores stations by signal strength.
Provides a quick method for finding stations.
Allows storing up to 54 frequencies for quick selection of favorite stations.
Enables manual frequency entry using the keypad.
Prevents accidental changes to receiver settings.
Allows setting a buzzer or receiver wake-up alarm.
Lets the receiver automatically turn off after a set period.
Allows selection of the correct AM tuning increment for different regions.
Provides a connection for an external antenna to improve reception.
For recording helpful information like memory location numbers.
Allows listening via optional stereo headphones.
Describes the manual's content, tips, and control functions.
Explains how to power the receiver via AC adapter, DC adapter, or batteries.
Details powering the receiver using the supplied universal AC adapter.
Explains how to power the receiver using an optional DC adapter.
Provides step-by-step instructions for installing AA batteries.
Instructions for connecting headphones for private listening and stereo sound.
How to use the FM Mono/Stereo switch for optimal reception.
Guidelines to protect hearing when using headphones.
Warnings about using headphones while in traffic.
Step-by-step guide to setting the receiver's local time.
Instructions for programming a second time zone.
Procedure to set the seconds to zero for precise clock setting.
Instructions for powering the receiver on and off and checking battery status.
Guidance on positioning the antenna for optimal reception on different bands.
How to choose between FM, LW, MW, and SW bands, including SW sub-bands.
Details on the ATS feature for automatic station scanning and storage.
Steps for tuning directly to a specific frequency using the keypad.
How to manually tune to stations when the frequency is unknown.
Procedure for scanning up or down for active frequencies.
Guide to selecting SW bands and fine-tuning frequencies.
Instructions for fine-tuning reception for the best audio quality.
How to adjust sensitivity to reduce interference.
Overview of storing and selecting favorite stations in memory.
Detailed steps for storing stations into memory banks.
Specific method for storing and arranging SW stations.
How to retrieve stored stations from memory.
How to scan through stored memory stations.
Instructions for removing stations from memory.
Introduction to the alarm system and setting radio alarm times.
Step-by-step guide to setting the alarm to wake up to a radio station.
Instructions for setting the Humane Waking System (HWS) alarm time.
Methods to silence the alarm or turn it off.
How to enable or disable the alarm function.
How to set the receiver to automatically turn off after a period.
Procedure for setting and using the countdown timer.
Steps to cancel an active countdown timer.
How to turn on and off the display backlight.
Method to lock controls to prevent accidental operation.
Lists books and magazines for further information on shortwave listening.
Explains how bands are grouped by wavelength and frequency conversion.
Lists amateur radio frequency bands and their corresponding wavelengths.
Addresses issues like weak sound, scan stops, and unresponsive buttons.
Details the receiver's circuit type (Heterodyne, Dual-Conversion Heterodyne).
Lists the operational frequency ranges for FM, LW, MW, and SW bands.
Specifies the types of antennas used for different bands.
States the audio output power and distortion level.
Details the available external connection jacks.
Lists battery, AC, and DC power source specifications.
Provides estimated battery life for alkaline batteries.
Specifies the physical dimensions of the receiver.
Indicates the receiver's weight with batteries installed.
Lists included or compatible accessories.
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