Radio Shack 63-996 Fascicule

OWNER’S MANUAL — 
Please read before using this equipment.

Thank you for purchasing the RadioShack Jumbo-Digit Atomic Wall 
Clock with Wireless In/Out Thermometer. Your clock is a multifunctional 
radio frequency (RF) controlled clock designed to automatically 
synchronize the current time and date when brought within range of the 
radio signal from the U.S. Atomic clock. After you install the batteries, 
the clock automatically searches for a radio signal. 

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You need two AA alkaline batteries for the clock and two AA alkaline 
batteries for the thermo-sensor (not supplied ). When 

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 appears, 

replace the batteries. For the best performance and longest life we 
recommend RadioShack alkaline batteries. 

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1. Remove the holder from the back of the thermo-sensor.

2. Use a Phillips screwdriver to remove the screws on the battery 

compartment cover, then slide off the cover.

3. Place the batteries in the compartment as indicated by the polarity 

symbols (+ and –) marked inside.

4. Replace the battery cover and secure it with the screws.

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1. Pull the tab on the battery compartment cover at the back of the 

clock to remove the cover.

2. Place the batteries in the compartment as indicated by the polarity 

symbols (+ and –) mark inside.

3. Replace the cover. 

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Place the clock and thermo-sensor on a flat surface using the stand, or 
mount it on a wall using screws (not supplied). 

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Pull the built-in stand away from the back of the clock and set it on a 
table or other flat surface.

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1. Use a 

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 inch screw (not supplied) with a head that fits into the 

keyhole slot on the back of the clock to drill a hole in the wall at the 
desired mounting location.

2. Thread the screw into the wall until the head extends about ¼ inch 

from the wall.

3. Position the keyhole slot over the screw and slide the thermometer 

down to secure it.

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Insert the ends of the supplied wire stand into the holes on the back of 
the thermo-sensor and set it on a table or other flat surface.

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1. Use two 

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-inch screws (not supplied) with heads that fit into the 

keyhole slots on the back of the supplied mounting bracket to drill 
two holes about 1

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 inches apart on the mounting surface. 

2. Thread a screw into each hole so the heads extend about ¼ inch 

from the mounting surface.

3. Align the keyhole slots on the mounting bracket with the screws 

and slide the bracket downward to secure it.

4. Slide the remote sensor onto the mounting bracket.

Extra-Large LCD — Easy to read 
from the across the room. 

Four Time Zones — View 
Pacific, Mountain, Central, 
and Eastern time zones.

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appears here if the sensor batteries are weak.

100 Feet (30 meters) Range 

Remote thermo-sensor 
temperature and channel

Current day of the week

Alarm Time 

Alarm Indicator

Indoor Temperature

Signal Indicator

CHANNEL — Press to see the temperature 
read by each thermo-sensor.

Monitor outdoor and indoor 
temperature with the supplied 
thermo-sensor. You can use up to 
three thermo-sensors to monitor the 
temperature of three different 
locations.

Thermo-sensor Channel

Thermo-sensor Temperature

ZONE — Press ZONE until the desired time zone 
appears. Hold down ZONE for three seconds until

 

ø

 

disappears to turn off automatic time setting if you 
move to an area where a signal is unavailable.

H

H

H

H

 — Press while setting the time or alarm 

time to advance to the next digit to set. Hold 
down 

H

H

H

H

 for a few seconds until 

ø

 appears to 

turn on automatic time setting mode.

THERMO — Hold down THERMO and CHANNEL 
at the same time for about two seconds to search 
for the signal from the thermosensor.

ALARM — Hold down to enter alarm setting 
mode. When in alarm setting mode, press to 
set the alarm time hour and minutes.

RESET — If the clock stops operating or 
locks up, you can reset it. Press RESET with 
a pointed object. The clock starts scanning 
for a radio signal.

Battery Compartment

Built-In Stand

CLOCK — Press to toggle the alarm time display 
between seconds and day of the week. Hold down to 
enter manual time setting mode. When in time setting 
mode, press CLOCK to set the hour, minutes, year, 
month, date, and language. The year can be set from 
2000 – 2099. Manual setting is overidden by the 
automatic setting (radio signal) from the atomic clock. 

Low Battery Indicator — 

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appears if the batteries are weak.

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appears here if the clock  

batteries are weak.

x

x

x

x

 — Shows the temperature 

trend in the last half hour. 

LED Display — Blinks when 
the thermosensor is in normal 
working condition.

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• Use only fresh batteries of the required size and type.

• Do not mix old and new batteries, different types of 

batteries (standard, alkaline, or rechargeable), or 
rechargeable batteries of different capacities.

• Do not place your clock or thermo-sensor in direct 

sunlight, near electronic appliances, or in a location 
where it is likely to get wet.

2.

    °°°°

°°°°

F — Set to 

°°°°

for Celsius or to 

°°°°

for Fahrenheit 
temperature 
readings.

3. RESET — Use a 
pointed object to 
press RESET and 
initialize the sensor’s    
transmitter.

1. CHANNEL 1/2/3 — The 
clock can display 
information for up to three 
different thermo-sensors. 
Slide CHANNEL1/2/3 
inside each remote 
sensor’s battery 
compartment to a different 
setting.

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• If the clock does not operate after you install the 

batteries, remove them and wait about five seconds 
until the display clears. Then reinstall the batteries. 

• Remove the protective film from the clock display 

before use.

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If an icon appears at the end of a paragraph, go to the box on that page with the corresponding icon 
for pertinent information.

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