Radio Shack CHRONOMATIC-291 Manual de usuario

Cat. No. 12-1591A

OWNER’S MANUAL

AM/FM LED Digital Clock Radio

Please read before using this equipment.

CHRONOMATIC–291

12-1591a.fm Page 1 Friday, July 9, 1999 9:03 AM

FEATURES

Chronomatic, Battery Sentinel, and Radio Shack are registered trademarks

used by Tandy Corporation.

Your Chronomatic–291 AM/FM LED

Digital Clock Radio with Battery Back-

up and Battery Sentinel uses a superi-

or electronic design that has many

special features:

Lar

e Di

ital Displa

— makes the

clock easy to read.

Push Button Operation — makes the

clock radio easy to use.

Sleep Feature — lets you program the

radio to play for up to 1 hour 59 min-

utes before the radio automatically

turns off.

Snooze Feature — lets you temporari-

ly turn off the alarm or radio for about 9

minutes so you can get a few extra

minutes sleep.

Batter

Backup with Batter

Senti-

nel — maintains the clock and alarm

operation during a power failure.

Earphone Jack — allows private lis-

tening through an optional earphone.

Dimmer — lets you adjust the display

to suit the room’s lighting.

Warnin

: To prevent fire or shock haz-

ard, do not expose this product to rain

or moisture.

This symbol is intended to alert you

to the presence of uninsulated dan-

gerous voltage within the product’s

enclosure that might be of sufficient

magnitude to constitute a risk of

electric shock. Do not open the

product’s case.

This symbol is intended to inform

you that important operating and

maintenance instructions are in-

cluded in the literature accompany-

ing this product.

RISK OF ELECTRIC SHOCK.

DO NOT OPEN.

CAUTION: TO REDUCE THE RISK OF

ELECTRIC SHOCK, DO NOT REMOVE

COVER OR BACK. NO USER-SERVICE-

ABLE PARTS INSIDE. REFER SERVIC-

ING TO QUALIFIED PERSONNEL.

CAUTION

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PREPARATION

CONNECTING TO AC

POWER

Plug the clock radio’s power cord into

a standard AC outlet. The display

flashes.

BATTERY BACK-UP

WITH BATTERY

SENTINEL

Your clock radio has a back-up power

system that operates the clock and

alarm during a power failure. The clock

display goes off, but the clock operates

for at least 8 hours, and the alarm

sounds for at least 10 minutes, if set.

The BATTERY SENTINEL indicator, a

small red dot at the bottom right of the

display, appears if the battery is low, or

if one is not installed.

Installing a Back-up Battery

Your clock radio requires a 9-volt bat-

tery (not supplied) for its back-up pow-

er system. For the best performance,

we recommend an alkaline battery,

such as Radio Shack Cat. No. 23-553.

Caution: Use only a fresh battery of

the required size and type.

Note: To prevent unnecessary drain

on the battery, install it only after con-

necting the clock radio to AC power.

1. To remove the battery compart-

ment cover, press down and slide

it in the direction of the arrow.

2. Snap the clock radio’s battery

contacts onto the battery termi-

nals, then insert the battery into

the compartment. The BATTERY

SENTINEL indicator turns off.

3. Replace the cover.

Warnin

: Always dispose of old bat-

teries promptly and properly.

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OPERATION

SETTING THE TIME

Follow these steps to set the time.

1. While pressing and holding down

TIME, press HOUR. The hour digits

advance by 1 hour each time you

press HOUR. Hold down HOUR to

rapidly advance the hour digits.

Note: The PM indicator appears

on the bottom left side of the dis-

play if you set the alarm to a PM

hour. No PM indicator means it is

set to an AM hour.

2. While you hold down TIME, press

MINUTE. The minute digits ad-

vance by 1 minute each time you

press MINUTE. Hold down MINUTE

to rapidly advance the minute dig-

its.

ADJUSTING THE

DISPLAY

Set DIMMER HI/LO to LO for nighttime

viewing, or to HI for daytime viewing.

PLAYING THE RADIO

1. Rotate VOLUME clockwise

(toward the front of the clock

radio) to set the volume to its min-

imum level.

2. Slide ALARM/AUTO/OFF/ON to ON.

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3. Slide AM/FM to the desired band.

4. Rotate TUNING to the desired sta-

tion.

5. Rotate VOLUME to the desired

sound level.

6. To turn off the radio, slide ALARM/

AUTO/OFF/ON to OFF.

Note: The AM Antenna is built-in. Turn

the clock radio for the best AM recep-

tion. Fully extend the AC power cord

(which is the FM antenna) for the best

FM reception.

USING THE SLEEP

TIMER

This feature lets you set the radio to

play for up to 1 hour, 59 minutes and

then automatically turn off. This is use-

ful if you want to have the radio play as

you go to sleep.

Follow these steps to set and use the

sleep timer.

1. Slide ALARM/AUTO/OFF/ON to

OFF.

2. Press SLEEP once. The radio

plays for 59 minutes, then auto-

matically turns off.

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3. To set a playing time of fewer than

59 minutes, press and hold SLEEP

then press MINUTE. The time on

the display decreases by 1 minute

each time you press MINUTE. Hold

down MINUTE to rapidly decrease

the playing time.

4. To set a playing time between 1

hour to 1 hour, 59 minutes, press

and hold SLEEP, then press

HOUR. 1 hour, 59 minutes

appears. To decrease the sleep

time, repeatedly press MINUTE.

Each time you press it, the sleep

time decreases by 1 minute.

5. To turn off the radio before the

preset sleep time elapses, press

SNOOZE.

Note:if the BATTERY SENTINEL indi-

cator lights while you press SNOOZE,

the back-up battery is getting low.

SETTING THE ALARM

TIME

1. Slide ALARM/AUTO/OFF/ON to

OFF.

2. While pressing and holding down

ALARM, press HOUR. The time on

the display advances by 1 hour

each time you press HOUR. Hold

down HOUR to rapidly advance

the hour digits.

Note: The PM indicator appears

on the bottom left side of the dis-

play if you set the alarm to a PM

hour. No PM indicator means it is

set to an AM hour.

3. While you hold down ALARM,

press MINUTE. The time on the

display advances by 1 minute

each time you press MINUTE. Hold

down MINUTE to rapidly advance

the minute digits.

To display the preset alarm time, press

ALARM.

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WAKING TO THE ALARM

To wake to the alarm, slide ALARM/

AUTO/OFF/ON to ALARM. At the preset

alarm time, the alarm sounds, then au-

tomatically turns off after 1 hour, 59

minutes.

To turn off the alarm sooner, slide

ALARM/AUTO/OFF/ON

OFF. To reset

the alarm to sound again at the alarm

time on the next day, slide it back to

ALARM or AUTO.

To adjust the volume of the alarm

sound, rotate the VOLUME control.

WAKING TO MUSIC

To wake to music, slide ALARM/AUTO/

OFF/ON to AUTO. At the preset time,

the radio turns on, then automatically

turns off after 1 hour, 59 minutes.

To turn off the radio sooner, slide

ALARM/AUTO/OFF/ON to OFF. To reset

the alarm to sound again at the alarm

time on the next day, slide it back to

ALARM or AUTO.

SNOOZE FEATURE

If you want to turn off the alarm but you

want it to sound again in a few min-

utes, press SNOOZE after the radio or

alarm comes on. This silences the ra-

dio or the alarm for about 9 minutes.

You can press SNOOZE repeatedly.

CONNECTING AN

EARPHONE

To listen privately, you can plug an op-

tional earphone into the EAR jack on

the back of the clock radio. (You can

use headphones, but you cannot re-

ceive a stereo signal.) You can find a

complete selection of earphones and

headphones at your local Radio Shack

store.

Note: Connecting an earphone auto-

matically disconnects the built-in

speaker.

Listening Safely

To protect your hearing, follow these

guidelines when you use an earphone.

• Set the volume to the lowest set-

ting before you begin listening.

After you begin listening, adjust

the volume to a comfortable level.

• Do not listen at extremely high

volume levels. Extended high-vol-

ume listening can lead to perma-

nent hearing loss.

• 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.

12-1591a.fm Page 7 Friday, July 9, 1999 9:03 AM

MAINTENANCE

Your Chronomatic-291 AM/FM LED Digital Clock Radio is an example of superior

design and craftsmanship. The following suggestions will help you care for the clock

radio so you can enjoy it for years.

Keep the clock radio dry. If it gets wet, wipe it dryimmediately. Liquids

might contain minerals that can corrode the electronic circuits.

Handle the clock radio gently and carefully. Dropping it can damage

circuit boards and cases and can cause the clock radio to work im-

properly.

Use and store the clock radio only in normal temperature environ-

ments. Temperature extremes can shorten the life of electronic de-

vices and distort or melt plastic parts.

Keep the clock radio away from dust and dirt, which can cause pre-

mature wear of parts.

Wipe the clock radio with a damp cloth occasionally to keep it looking

new. Do not use harsh chemicals, cleaning solvents, or strong deter-

gents to clean the clock radio.

Modifying or tampering with the clock radio’s internal components can cause a mal-

function and might invalidate its warranty and void your FCC authorization to oper-

ate it. If your clock radio is not performing as it should, take it to your local Radio

Shack store for assistance.

CLEANER

12-1591a.fm Page 8 Friday, July 9, 1999 9:03 AM

THE FCC WANTS YOU

TO KNOW

Your clock radio might cause TV or ra-

dio interference even when it is operat-

ing properly. To determine whether

your clock radio is causing the interfer-

ence, turn off your clock radio. If the in-

terference goes away, your clock radio

is causing the interference. Try to elim-

inate the interference by:

• Moving your clock radio away

from the TV or radio

• Connecting your clock radio to an

outlet that is on a different electri-

cal circuit from the TV or radio

• Contacting your local Radio

Shack store for help

If you cannot eliminate the interfer-

ence, the FCC requires that you stop

using the clock radio.

12-1591a.fm Page 9 Friday, July 9, 1999 9:03 AM

SPECIFICATIONS

Bands............................................................................................AM 530-1710 kHz

FM 88-108 MHz

Intermediate Frequency:........................................................................AM 455 kHz

FM 10.7 MHz

Power Output ........................................................................... 300 mW (maximum)

Speaker ........................................... 3 Inch (7.6cm) Ferrite, Dynamic-Type. 8 ohms

Power Requirements .......................................................120V AC, 60 Hz., 8 Watts

DC 9V

Dimensions ............................................................................ 23/16 x 815/16 x 59/16 in.

(56 x 211 x 141.5 mm)

Weight...................................................................................................... 1 lb. 11 oz.

(770 g)

Specifications are typical; individual units might vary. Specifications and designs are

subject to change and improvement without notice.

12-1591a.fm Page 10 Friday, July 9, 1999 9:03 AM

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