How to set the calendar clock manually, About radio reception, Seconds” and day-of-the-week display – Oregon Scientific Jumbo JMR828A User Manual

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3

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day-of-the-week display

“second” display

The day-of-the-week is displayed as an abbreviation in three
languages.

Day-of-the-week

L a n g u a g e

Monday

Tuesday Wed. Thursday

Friday Saturday S u n d a y

E n g l i s h

S p a n i s h

French

To change the “seconds” display to the day-of-the-week display:

1. When the “seconds” are displayed, press

[CLOCK]

once.

To change the day-of-the-week display to the “seconds” display:

1. When the day-of-the-week is displayed, press

[CLOCK]

once.

HOW TO SET THE CALENDAR CLOCK

MANUALLY

When the unit is outside of the radio signal generated from the
U.S Atomic Clock,

the unit may require manual setting.

Note: The RF controlled mechanism overrides manual
settings unless auto-reception of radio signal is being
deactivated. If manual settings are made, the clock will
periodically adjust the time to what is indicated by the
radio signal.

It is highly unlikely you should ever have the desire (or need ) to
manually set the clock time, year, month or date of the JMR828A
when it is within signal range of the Atomic clock.

However, in the event this becomes necessary please review the
following.

3. Replace the door so that it clicks into place.

Note: If not disposed of properly, batteries can be
harmful. Protect the environment by taking
exhausted batteries to authorized disposal stations.

Note: [

]

Low-battery

indicator

Replace the batteries when the

Low-battery

indicator lights up.

ABOUT RADIO RECEPTION

The

JMR828A

is a radio frequency (RF) controlled clock.

When

located within radio signal range from the U.S Atomic Clock , the
clock time will automatically synchronize with time-signal
transmission. The benefit of a RF controlled clock is that highly-
accurate time is maintained and manual adjustments to the time
and date are not required.

When the batteries are first installed, the

JMR828A

will

automatically search for a radio signal.

When in search mode, the antenna icon [

] will blink. This

process takes between two (2) and (10) minutes. After initial
search

and synchronization with the Atomic clock

, short periodic

reception-signal scans will commence several times a day.

The antenna icon indicates the quality of reception.

STRONG

WEAK

NO RECEPTION

RECEIVING

To deactivate the auto-reception of the radio signal, press and
hold [ZONE] for 2 seconds and the antenna icon will disappear.
To enable this auto-reception again, press and hold [

] for 2

seconds. The antenna icon will re-appear.

Interference

Reception can be affected by a number of factors. For best reception,
place the device away from metal objects and electrical appliances.

Note: Interference from sources such as TV sets can affect
the signal. If, after batteries have been inserted for ten
minutes,

the

radio

signal is not received, then set the time

manually (see section: How To Set The Calendar Clock
Manually).

“SECONDS” AND DAY-OF-THE-WEEK

DISPLAY

The “second” and the day-of-the-week share the same section of
the display.

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