Realistic RadioShack DX-375 Owner Manual

Radio Shack DX 375

Shortwave Radio

User Manual

DX-375 (200-0212) Features

Your Realistic DX-375 AM/SW/FM-Stereo PLL Synthesized Receiver lets you
choose from a wide variety of broadcasts on FM, AM, and SW (shortwave)
bands. The 12 international SW bands let you tune in to the news and
other programs from such sources as the British Broadcasting Corporation,
Radio Cairo, and Radio Moscow, bring the voices of the world to you. The
lightweight, compact receiver lets you take it almost anywhere you go.

Its special features include:

Phase-Locked Loop (PLL) - ensures accurate tuning.
Synthesized Receiver

Large, Fast-Response Display - shows the band, frequency, wave length
(for SW), memory, battery, and other
indicators.

Memory Tuning - stores up to 30 frequencies in each band)
so you can easily tune to your favorite
stations.

Direct-Access Tuning - directly tunes to the desired frequency
when you enter the frequency on the keypad.

Search Tuning - searches up or down the band for the next
available station.

Memory Scan - scans the stored frequencies in each band's
memory.

LED Tuning Indicator - lights when the receiver tunes to a signal.

Shortwave Quick Select - allows you quick access to any of the 12
shortwave broadcast bands.

Key Lock - prevents you from accidentally turning the
receiver on or off, changing the band or
frequency, or changing other front-panel
controls.

Sleep Timer - lets you set the receiver to turn off after
60 minutes so you can fall asleep as you
listen to the receiver.

DX/Local Control - helps to reduce distortion of broadcasts.

Headphone Jack - lets you connect optional stereo headphones
so you can listen privately and hear FM
broadcasts in stereo.

Three Power Options - let you power the receiver with internal

batteries, standard household AC power
(using an optional AC adapter), or DC
vehicle battery power (using an optional DC
adapter).

Tone Control - lets you set the receiver to accentuate
high or low frequency sounds.

Memory Backup - keeps the programmed stations in your
receiver's memory for up to 1 hour without
batteries.

Frequency Step Switch - lets you set the correct frequency step for
different countries.

Folding Stand - securely positions the receiver at an
angle.

Because this product is so versatile, please take a few minutes to review
this manual before you proceed.

LOCKING THE CONTROLS

The lock feature prevents you from accidentally turning the receiver on or
off, changing the band or frequency, or changing other front-panel
controls. You an still adjust VOLUME, TONE, and SENSITIVITY.

To lock the controls, set LOCK/IN to IN. LOCK appears on the display.

To unlock the controls, set LOCK/IN away from IN. LOCK disappears from
the display.

USING THE SLEEP TIMER

The sleep timer sets the receiver to turn off after 60 minutes so you can
fall asleep as you listen to the receiver.

To use the sleep timer, press SLEEP. SLEEP appears on the display.

After 60 minutes, the receiver turns off. To turn off the receiver
sooner, press POWER.

USING THE SENSITIVITY SWITCH

If you are listening to a strong FM, AM, or SW station, and the sound is
distorted, set SENS to LOCAL. For normal or weak stations, set SENS to DX
(distant).

(ALL-02/27/95)

DX-375 (200-0212) Installation

POWER SOURCES

You can power your receiver from:

Internal battery power (two alkaline C batteries).

Standard household AC power (with an optional AC adapter).

Vehicle battery power (with an optional DC adapter).

Internal Battery Power

You can power the receiver with two C batteries. For best performance, we
recommend alkaline batteries, such as Radio Shack Cat. No. 23-551.

CAUTION: If you disconnect power from the receiver for about 1 hour, all
information stored in memory will be lost. To keep the
frequencies stored in memory, keep the batteries installed.

NOTES: Replace the batteries when BATTERY appears on the display.

Before you replace the batteries, be sure to turn off the
receiver's power.

Follow these steps to install the batteries.

1. Push the cover in the direction of the arrow and remove it from the
battery compartment.

2. Remove the old batteries and discard them immediately.

WARNINGS: If you do not plan to use the receiver for a month or more,
remove and store the batteries.

Never leave dead, old, or weak batteries in the receiver. they
can leak chemicals and corrode or damage electronic circuits.
Always dispose of them promptly and properly.

Never incinerate batteries.

3. Place two C batteries in the compartment as indicated by the polarity
symbols (+ or -) marked beside the compartment. For easy removal,
place the batteries on top of the lift-out ribbon.

CAUTIONS: Use only fresh batteries of the required size and type.

Never mix fresh and old batteries.

4. Replace the compartment cover.

SETTING THE AM/FM TUNING INCREMENT

The AM/FM frequency increment switch sets the correct frequency increments
for different countries. The switch is located in the battery
compartment.

Set the switch using the following guidelines:

If you are in the United States, Canada, or another north or south
American country, the switch is already set to B for you. In this
setting, the AM frequency increments are 10 KHZ and the FM frequency
increments are 200 kHz.

If you are in a country where the AM frequency increments are 9 kHz,
set the switch to A. In this setting, the FM frequency increments are
100 kHz.

NOTE: All stored frequencies erase when you change the switch position.

USING STEREO HEADPHONES

For private listening, connect optional stereo headphones into the
receiver's 1/8-inch jack. This disconnects the receiver's internal
speaker. Your local Radio Shack store offers a wide selection of stereo
headphones with the required 1/8-inch plug.

Listening Safely

Do not listen at extremely high volume levels, especially using an
earphone. Extended, high-volume listening can lead to permanent hearing
loss.

To protect your hearing, follow these guidelines when you use headphones.

Always start by setting the volume to the lowest level possible before
you begin listening. Put the earphone or headphones on, then
gradually increase the volume as necessary.

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

USING THE FOLDING STAND

Your receiver has a folding stand on the back. Use it to position the
receiver more securely and for easier viewing of the display.

(ALL-02/27/95)

DX-375 (200-0212) Alternate Power Sources

STANDARD AC POWER

To power your receiver from an AC outlet, you need an AC adapter (such as
Cat. No. 273-1654).

CAUTIONS: You must use an AC adapter that supplies 3 volts DC power and
delivers at least 300 milliamps. Its center tip must be set to
negative, and it must have a plug that properly fits your
receiver's DC 3V jack. Using an adapter that does not meet
these specifications could damage your receiver or the adapter.

If you disconnect power from the receiver for about 1 hour, all
information stored in memory will be lost. We recommend you
keep the batteries installed when you use the AC adapter to
protect the memory from a power loss.

Follow these steps to power the receiver AC power.

1. Set the adapter's voltage switch to 3V.

2. Connect the adapter's black barrel plug to the adapter's cord with the
TIP set to -NEG.

3. Insert the barrel plug into the receiver's DC 3V jack. This
disconnects the internal batteries.

4. Plug the adapter into a standard AC outlet.

VEHICLE BATTERY POWER

To power your receiver from a vehicle's battery power, you need a DC
adapter (such as Cat. No. 270-1560A).

CAUTIONS: The vehicle must have a 12-volt, negative-ground electrical
system.

You must use a DC adapter that supplies 3 volts DC adapter that
supplies 3 volts DC power and delivers at least 300 milliamps.
Its center tip must be set to negative, and it must be set to
negative, and it must have a plug that properly fits your
receiver's DC 3V jack. Using an adapter that does not meet
these specifications could damage your receiver or the adapter.

Plug the adapter into your receiver before you plug it into the
cigarette-lighter socket. Also, unplug the adapter from the
cigarette-lighter socket before you unplug it from your
receiver. An unconnected plug might touch a metal object and
damage the adapter or your vehicle's electrical system.

Follow these steps to power your receiver from your vehicle's battery