Installation Instructions

WWVB ATOMIC TIME SIGNAL
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1.8” LED Atomic Clock
with Dual Alarms and USB Charging
Model: 617-249
DC:112818
POWER UP
1. Insert the provided stand into bottom of clock.
2. Insert the 5.0 volt power cord into an outlet, then into your
clock. Optional: Install 1-CR2032 battery (not included).
1. Hold then release the SET button to enter the Settings Menu.
2. Press and release the + or - buttons to adjust the values.
Hold to adjust quickly.
3. Press and release the SET button to confirm and move to the next
item.
Settings Menu Order:
• Time Zone
• DST ON/OFF
• Hour
• Minutes
• Snooze Duration
SETTINGS
ADJUSTABLE BACKLIGHT HI-LO-OFF
FIND FAQS, AND MORE UNDER THE SUPPORT TAB HERE:
bit.ly/617-249
1 X CR2032
LITHIUM BATTERY
(INCLUDED)
5.0 V adapter
(included)
IMPORTANT: When powered on, the clock will immediately search for
the atomic time for 7 minutes. Hold the ATOMIC button for 3 seconds to
stop or start the search.
• During the atomic time search the buttons will not function.
• Backlight will dim.
• USB charge port will not work.
Signal Search Indicator:
• Receiving strong WWVB signal: LED flashing
• Successful Reception: LED solid
• Failed Reception: LED disappears
The clock will automatically search for the WWVB signal every night
at 1:00 am, 2:00 am and 3:00 am. If there is still no WWVB reception,
the clock will search WWVB time signal again at 4:00 am and 5:00 am
alternatively.
• Press
to adjust the brightness (HI/ LO/OFF) of your clock.
• This can only be done when the unit is not sounding or searching for
the atomic time signal.
ALARM 1 & 2
In one setting for Alarm 1 & 2 you are able to::
• Set Alarm Time
• Activate/Deactivate Alarm
• Select Volume (HI/LO)
Note: The Blue LED Light next to the A1 or A2 indicates alarm is active.
Set Alarm 1 & 2:
1. Hold then release the ALM 1 • 2 button to enter the Alarm Settings.
2. Press and release the + or - buttons to adjust the values. Hold to
adjust quickly.
3. Press and release the ALM 1 • 2 button to confirm and move to the
next item.
Alarm Settings Order:
• Alarm 1 Hour
• Alarm 1 Minutes
• Alarm 1 OFF/ON
• Alarm 1 HI/LO (volume)
• Alarm 2 Hour
• Alarm 2 Minutes
• Alarm 2 OFF/ON
• Alarm 2 HI/LO (volume)
Stop Alarm for 1 Day:
When alarm sounds. press the ALM 1 • 2 button once to stop the alarm
and reset to come on in 24 hours.
Snooze:
When alarm is sounding, press
once, the alarm will be silenced
and come on again after the snooze duration selected.
Tip: if your second alarm activates while the first alarm is sounding or it is
in the snooze mode, the second alarm overrides the first alarm (the first
alarm is reset to come on the next day).

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