Atomic Digital Clock
with indoor/outdoor temperature,
calendar and moon phase
Please DO NOT return product to the retail store. For technical assistance
and product return information, please call customer care @ 877-221-1252
Monday - Friday -- 8:00 a.m. - 4:30 p.m. CST
MODEL # 75330T
w w w . c h a n e y i n s t r u m e n t . c o m
USER GUIDE
®
®
Timex is a registered trademark of Timex Corporation in the U.S. and other countries.
Indiglo is a registered trademark of Indiglo Corporation in the U.S. and other countries.
Package Contents:
(1) Atomic Digital Clock
(1) Wireless Outdoor
Temperature Sensor
(1) User Guide
Manufactured and serviced by
Chaney Instrument Co.
Lake Geneva, WI 53147
© 2010 Chaney Instrument Co.
INST - 75330T 070110
What You’ll Need:
(8) AA Batteries
NOTE: A clear protective film is applied to the LCD at the
factory that must be removed prior to using this product.
Locate the clear tab and simply peel to remove.
Thank you for purchasing this quality TIMEX® brand product. Please read these instructions COMPLETELY to fully understand
the features and functions of this clock, and to enjoy its benefits. Make sure to keep this guide handy for future reference.
This device complies with part 15 of the FCC rules and RSS-210 of IC rules subject
to the following two conditions:
1- This device may NOT cause harmful interference, and
2- This device must accept any interference received, including interference that may
cause undesired operation.
To receive product information, register your product online. It's quick & easy!
WARNING: Changes or modifications to this unit not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
WHAT IS AN ATOMIC CLOCK?
NOTE: This equipment has been tested and found to comply with limits for a Class B digital device,
pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications.
An Atomic clock is a timepiece that maintains accuracy up to one second per million years using the most
precise method of time synchronization, radio signals. In North America, the National Institute of Standards and
Technologies (NIST) operates an Atomic clock in Fort Collins, Colorado, that transmits the time codes via the
radio station WWVB.
However, There is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
This quality TIMEX® clock includes a built-in receiver that picks up the Atomic radio signal from WWVB. To
maintain the best possible reception, place the unit so that the backside faces in the general direction of
Colorado.What's more, the IntelliTime® technology built into this clock makes for hassle-free automatic setting
and resetting for daylight saving time.
• Reorient or relocate the receiving antenna.
PLEASE NOTE: Due to solar radiation in the atmosphere, the atomic clock signal is weaker during the day.
Most synchronization will happen at night when there is less interference.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
INDIGLO® BACKLIGHT FEATURE
®
To turn on the optional Indiglo backlight feature,
NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized
modifications to this equipment. Such modifications could void the user authority to operate the
equipment.
you can set the brightness level on high or low,
whichever you prefer. By doing so, the clock will
automatically light up in the dark. If not needed,
you may choose the OFF setting. This will prevent
the backlight from coming on and will conserve
battery power.
Patent numbers: 5.978.738: 6.076.044: 6.597.990
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TROUBLESHOOTING
PROBLEM
3. Choosing Your Time Zone
1. Press and HOLD the SET button until you see the selection of seven time zones
flashing on the LCD screen, then release.
POSSIBLE SOLUTIONS
2. Press the UP (s) ARROW repeatedly until you reach your time zone, then press SET
Relocate or reposition the clock, making sure
the backside of the unit is facing in a direction
toward Colorado from your location.
Heavy stone or metal walls can obstruct the
signal and disrupt reception. Place the clock
at least 3 feet (0.91 m) from other electronic
devices (i.e. TV’s, microwaves, computers,
etc.) that can interfere with wireless signals.
Poor Atomic Clock
Reception
(No bars)
HAST
PST
MST
CST
EST
AST
AKST
alaska standard
time
hawaii aleutian
pacific standard mountain standard central standard
time time time
eastern standard
atlantic standard
standard time
time
time
In the event you wish to manually change the clock settings,
please use the instructions on page 5.
You may be experiencing interference from
other wireless devices using the same radio
frequency channel. Relocate the main unit
and/or the wireless sensor. Both units must
be within 100 feet (30m) of each other. Make
sure units are placed at least 3 feet from other
electronic devices or appliances that may
interfere with the wireless communication
(i.e. TV’s, microwaves, computers, etc.)
You may need to reset both units by
Poor Outdoor
Sensor Reception
(No bars)
Battery Choice & Temperature Range:
extended periods of extreme cold temperatures
(below -4°f/ -20°c) can cause alkaline batteries to
function improperly. this may cause the outdoor
wireless sensor to stop transmitting temperature
readings. we recommend using lithium batteries
in extreme low temperature conditions to ensure
continued operation of the outdoor sensor.
removing and re-installing the batteries.
Relocate the main unit and/or the wireless
sensor. Both units must be within 100 feet
(30m) of each other. Make sure units are
placed at least 3 feet from other electronic
devices or appliances that may interfere
with the wireless communication (i.e. TV’s,
microwaves, computers, etc.)
Bad Temperature
Reception
(blank or flashing
temperature)
For the digital atomic clock we recommend only alkaline batteries.
Battery Power Consumption:
the following chart represents estimated battery life expectations based on how you use the indiglo® backlight
feature. Results may vary.
You may need to reset both units by
removing and re-installing the batteries.
Backlight OFF
Approximately 3 years
Approximately 1 year
Approximately 3 months
Approximately 6 months
Approximately 1 month
LOW Backlight ON for 8 hours
LOW Backlight ON for 24 hours
HIGH Backlight ON for 8 hours
HIGH Backlight ON for 24 hours
Check to make sure the batteries are installed
correctly. Use only fresh STANDARD “AA”
batteries, not generic or extra strength. Make
certain that the batteries are FRESH. If the
expiration date on your batteries is less than 6
years away, they may not contain a full charge
and can be weak.
Display Not Working
to conserve battery power you may choose the off or low setting for the backlight.
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SETTING THE CLOCK MANUALLY
Placement of the Clock:
Place the clock in an area free of dirt and dust. To help ensure an accurate
indoor temperature measurement, be sure to place the main unit out of
direct sunlight, and away from any heat sources or vents in your home.
Up
Arrow
SET
This clock may be hung on a wall using the integrated wall-hanging hole,
or you may place the unit on a tabletop or other flat surface using the
swing-out stands.
Down
Arrow
“Set” to confirm
manual settings
Back of Clock
1) SETTING YOUR TIME ZONE
a) Press and HOLD the SET button until you see the selection of seven time zones
Then RELEASE.
Placement of the Outdoor Sensor:
b) Press the UP (s) ARROW repeatedly until you reach your time zone,
The wireless temperature sensor MUST BE PLACED OUTDOORS to capture and relay the
outdoor temperature to the clock display unit. You may place your wireless temperature
sensor outside up to 100 feet (30m) from the clock, as shown.
then press SET and release.
2) TURNING ATOMIC CLOCK FEATURE ON/OFF
NOTE: You do NOT need to turn off the atomic clock to set the time manually. Once the clock receives the signal, it will adjust the
clock accordingly. However, you may choose to deactivate the atomic clock feature completely if you prefer to manually control
the clock or if you live in a remote area that does not readily receive the atomic signal. As long as the atomic clock is ON, it will
automaticlly adjust itself to the correct time, overriding your manual setting.
The sensor is water resistant and is designed
for outdoor use. However, to extend the life
of the product, place it in an area protected
from harsh weather elements. To ensure an
accurate temperature reading, be sure the
sensor is out of direct sunlight and away from
any heat sources.
Press the UP (s) ARROW to or DOWN (t) ARROW buttons to turn
OFF Atomic signal. This will stop the clock from searching for the Atomic
radio signal.
3) SETTING THE CLOCK & CALENDAR
a) Press the UP (s) ARROW to turn DST (Daylight Saving Time) function on or off.
100’ Feet
Press “SET” to confirm and then release.
Press “SET”
to confirm
b) The HOUR will flash
Press the UP (s) ARROW repeatedly,
until the correct hour (AM or PM) is
displayed.
Wireless Signal Reception Icons
Press “SET”
to confirm
c) The MINUTE will flash
d) The YEAR will flash
e) The MONTH will flash
f) The DATE will flash
Press the UP (s) ARROW repeatedly,
The main unit has a signal reception icon near the outdoor temperature display area. If
there are a low number of “bars” present, you may experience no temperature display
(“--”) or inaccuracy. In either case, you may need to relocate one of both of the units. If
most or all 4 of the bars are present, wireless reception is good and no action is required.
until the correct minute is displayed.
Press “SET”
to confirm
Press the UP (s) ARROW repeatedly,
until the correct year is displayed.
Press “SET”
to confirm
Press the UP (s) ARROW repeatedly,
until the correct month is displayed.
Press “SET”
to confirm
Press the UP (s) ARROW repeatedly,
until the correct date is displayed.
DAY OF THE WEEK AND MOON PHASE WILL UPDATE AUTOMATICALLY AS YOU SET THE DATE
Press “SET”
to confirm
e) The °F will flash
Press the UP (s) ARROW to change
between °F and °C.
NO
Strong
Reception
Reception
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