La Crosse Technology C86279v4 Atomic Digital Wall Clock User Guide

C86279v4 Atomic Digital Wall Clock

Product Information

The Atomic Digital Wall Clock with Calendar and Indoor
Temperature is a versatile clock that provides accurate
timekeeping, alarm functions, and temperature display. It can be
powered using a 5 volt power cord or 2-AA batteries for backup. The
clock also features a backlight for easy visibility in low light
conditions.

Buttons

• ALARM: Hold to enter Alarm Settings. Press to
  view alarm time. Press again to activate/deactivate alarm.
• SNOOZE/LIGHT: Press and release to adjust
  backlight intensity. Power cord required. When the alarm sounds,
  press once to snooze the alarm for 10 minutes.
• +: (PLUS) Settings Menu: Press to increase
  value. Hold to increase quickly.
• -: (MINUS) Hold to start or stop Atomic Time
  Signal search. Settings Menu: Press and release to decrease value.
  Hold to decrease quickly.
• MODE: Hold to enter the Settings Menu. Press
  and release to toggle Custom Display Options.

Settings Menu

1. Hold the MODE button to enter the Settings Menu.
2. Press the + or – button to adjust values.
3. Press the MODE button to confirm and move to the next
   item.
4. Press the SNOOZE/LIGHT button at any time to exit.

Atomic Time

The clock can synchronize with atomic time signals for accurate
timekeeping.

Custom Date Display

You can customize the date display with options for day, month,
and date.

Set Alarm

1. Hold the ALARM button to enter the Alarm Settings Menu. “AL”
   will show.
2. Press and release the + or – button to adjust the flashing
   values.
3. Press the ALARM button to confirm and move forward.

Activate/Deactivate Alarm

Hold the ALARM button until “AL” and the alarm time show. Press
and release the ALARM button to deactivate or activate the alarm.
The Alarm Icon will show only when the alarm is active.

Silence a Sounding Alarm

Press any button except SNOOZE/LIGHT to silence the alarm for 24
hours.

Snooze

When the alarm sounds, press the SNOOZE/LIGHT button to silence
the alarm for 10 minutes. The Snooze Icon Zz will flash. Note: The
alarm will sound with increasing frequency for two minutes, then
shut off completely if not deactivated.

Product Usage Instructions

1. Power Up:
   1. Insert the 5 volt power cord into an outlet, then into your
      Clock. Optional: Insert 2-AA batteries for backup.
   2. Configure your basic settings.
2. Buttons:
   • Use the ALARM button to enter Alarm Settings, view alarm time,
     and activate/deactivate alarm.
   • Use the SNOOZE/LIGHT button to adjust backlight intensity and
     snooze the alarm for 10 minutes.
   • Use the + (PLUS) button to increase values and access the
     Settings Menu.
   • Use the – (MINUS) button to start or stop Atomic Time Signal
     search, decrease values, and access the Settings Menu.
   • Use the MODE button to enter the Settings Menu and toggle
     Custom Display Options.
3. Settings Menu:
   1. Hold the MODE button to enter the Settings Menu.
   2. Use the + or – button to adjust values.
   3. Press the MODE button to confirm and move to the next
      item.
   4. Press the SNOOZE/LIGHT button at any time to exit.
4. Atomic Time:

   The clock can synchronize with atomic time signals for accurate
   timekeeping. No specific instructions provided.

5. Custom Date Display:

   No specific instructions provided. Use the Settings Menu to
   customize the date display.

6. Set Alarm:
   1. Hold the ALARM button to enter the Alarm Settings Menu.
   2. Use the + or – button to adjust the flashing values.
   3. Press the ALARM button to confirm and move forward.
7. Activate/Deactivate Alarm:

   Hold the ALARM button until “AL” and the alarm time show. Press
   and release the ALARM button to deactivate or activate the
   alarm.

8. Silence a Sounding Alarm:

   Press any button except SNOOZE/LIGHT to silence the alarm for 24
   hours.

9. Snooze:

   When the alarm sounds, press the SNOOZE/LIGHT button to silence
   the alarm for 10 minutes. The Snooze Icon Zz will flash. Note: The
   alarm will sound with increasing frequency for two minutes, then
   shut off completely if not deactivated.

ATOMIC DIGITAL WALL CLOCK
WITH CALENDAR AND INDOOR TEMPERATURE
SET UP GUIDE MODEL: C86279v4

Power Up
1. Insert the 5 volt power cord into an outlet, then into your Clock. Optional: Insert 2-AA batteries for backup.
2. Configure your basic settings.

Buttons
The buttons are located at the top of your clock.

ALARM

Hold to enter Alarm Settings. Press to view alarm time. Press again to activate/deactivate alarm.

SNOOZE/LIGHT

Press and release to adjust Backlight HI-LO-OFF. Power Cord required. When alarm sounds Press once to Snooze Alarm for 10 minutes.

+ (PLUS)

Settings Menu: Press to increase value. Hold to increase quickly.

– (MINUS)

Hold to start or stop Atomic Time Signal search. Settings Menu: Press and release to decrease value. Hold to decrease quickly.

MODE

Hold to enter the Settings Menu. Press and release to toggle Custom Display Options.

2

Settings Menu
1. Hold the MODE button to enter the Settings Menu. 2. Press the + or – button to adjust values. 3. Press the MODE button to confirm and move to next item.
4. Press the SNOOZE/LIGHT button at any time to exit.

Settings Menu Order: · Language (English or Spanish) · Beep ON/OFF · Atomic ON/OFF · Time Zone · Daylight Saving Time (DST) ON/OFF · 12/24 Hour · Hour · Minutes · Year · Month · Date
· Fahrenheit/Celsius

TIME ZONES AST = Atlantic EST = Eastern CST = Central MST = Mountain PST = Pacific AKT = Alaska HAT = Hawaii

Language: Whichever language is selected, the following instructions and weekday will be presented in that language.
Atomic Off: When Atomic Off is selected, you will move directly to the 24-hour setting.
Weekday: Weekday will set automatically when Year, Month and Date are set.
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Atomic Time
· Your Clock will automatically search for the Atomic Time Signal at UTC 7:00, 8:00, 9:00, 10:00, and 11:00.
· Hold the MINUS (-) button to manually start or stop search for the WWVB Atomic Time Signal.
· While searching, the Tower Icon will flash. The Tower Icon will be solid when the WWVB Signal is received by your clock.
· For information about WWVB Atomic Time visit: bit.ly/atomic_time
Custom Date Display
Press the MODE button to change the clock display: · Calendar · Full Weekday · Seconds · Indoor Temperature

DAY

MONTH

DATE

DAY

MONTH

DATE

4

TIME ALARM
Set Alarm: 1. Hold the ALARM button to enter the Alarm Settings Menu. “AL” will show. 2. Press and release the + or – button to adjust the flashing values. 3. Press the ALARM button to confirm and move forward.
Activate/Deactivate Alarm: Hold the ALARM button until “AL” and the alarm time shows. Press and release the ALARM button to deactivate or activate the alarm. The Alarm Icon will show only when alarm is active.

Alarm ON

Alarm OFF

Silence a sounding alarm: Press any button except SNOOZE/LIGHT to silence alarm for 24 hours.

Snooze: When the alarm sounds, press the SNOOZE/LIGHT button to silence the alarm for 10 minutes. The Snooze Icon Zz will flash.

Note: The alarm will sound with increasing frequency for two minutes,

then shut off completely if not deactivated.

5

Backlight Intensity
· Press and release the SNOOZE/LIGHT button to adjust the backlight intensity HIGH / LOW / OFF.
· The power cord is required for constant backlight. · If operating on battery power only, press the SNOOZE/LIGHT button to activate
the backlight briefly.
Low Battery Icon
Low Battery Icon by the Time, replace batteries in the Clock.
Specifications
Atomic Clock (C86279v4) Temperature Range: 32°F to 99°F | 0°C to 37°C Update Interval: About every 30 seconds Power: AC6 GPU280500150WAOO Input 5.0VAC 150mA Optional: 2-AA, IEC, LR6 batteries (not included) Battery Life: Over 24 months Dimensions: 9.84″ L x 1.13″ W x 7.48″ H (24.99cm L x 2.87cm W x 19.22cm H)
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We’re Here to Help
If you require additional assistance, get in touch with our friendly customer support team based in La Crosse, WI.
Self Help: bit.ly/c86729v4_support

SCAN HERE Additional Info
and Support

Online: bit.ly/contact_techsupport

Phone: 1.608.782.1610
Our knowledgable customer support team is available: Mon-Fri 8am-6pm CST
Stay in Touch!
Ask questions, watch setup videos, and provide feedback on our social media outlets. Follow La Crosse Technology on YouTube, Twitter, Facebook and Instagram.

Warranty & Patents
La Crosse Technology, Ltd. provides a 1-year limited time warranty (from date of purchase) on this product relating to manufacturing defects in materials & workmanship. La Crosse Technology, Ltd, 2830 S. 26th St., La Crosse, WI 54601

For Full Warranty Details, Visit: www.lacrossetechnology.com/pages/warranty Patents: www.lacrossetechnology.com/pages/patents

Designed in La Crosse, Wisconsin · Made in China · Printed in China · DC0601423

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Care & Maintenance
When batteries of different brand or type are used together, or new and old batteries are used together, some batteries may be over-discharged due to a difference of voltage or capacity. This can result in venting, leakage, and rupture and may cause personal injury. · Do not mix Alkaline, Lithium, standard, or rechargeable battteries. · Always purchase the correct size and grade of battery most suitable for the intended use. · Always replace the whole set of batteries at one time, taking care not to mix old and new ones, or batteries of different
types. · Clean the battery contacts and also those of the device prior to battery installation. · Ensure the batteries are installed correctly with regard to polarity (+ and -). · Remove batteries from product during periods of non-use. Battery leakage can cause corrosion and damage to this
product. · Remove used batteries promptly. · For recycling and disposal of batteries, and to protect the environment, please check the internet or your local phone
directory for local recycling centers and/or follow local government regulations.

CA WARNING: This product can expose you to chemicals including acrylonitrile, butadiene, and styrene, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to: www.P65Warnings.gov

FCC Statement
This equipment has been tested and found to comply with the 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. 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:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and 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.

This device complies with Part 15 of the FCC Rules. Operation is 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.

Caution!

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority

to operate the equipment.

All rights reserved. This manual may not be reproduced in any form, even in part, or duplicated or processed using electronic,

mechanical or chemical process without the written permission of the publisher. This booklet may contain errors or misprints.

The information it contains is regularly checked and corrections are included in subsequent editions. We disclaim any

responsibility for any technical error or printing error, or their consequences. All trademarks and patents are recognized.

The manufacturer is not responsible for any radio or TV interference caused by unauthorized changes or modifications to this

equipment. Such changes or modifications could void the user authority to operate the equipment.

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References

• Help with WWVB Radio Controlled Clocks | NIST
• C86279V4 Atomic Digital Wall Clock with Backlight – La Crosse Technology
• La Crosse Technology (@lacrossetechnology) • Instagram photos and videos
• YouTube
• Patents – La Crosse Technology
• Warranty – La Crosse Technology
• P65Warnings.ca.gov
• Help with WWVB Radio Controlled Clocks | NIST
• C86279V4 Atomic Digital Wall Clock with Backlight – La Crosse Technology