Junghans J615.61 User manual

Funkwerk
Radio-controlled movement
J615.61
JUNG H A N S – D I E DEUTSCHE U H R

2322
ENGLISH
JUN G H ANS – TH E G E R M AN WATC H
Many congratulations on your purchase of a timepiece from
Junghans.
What began in 1861 with the founding of the firm in Schramberg
quickly developed into one of the most fascinating success stories
of the German watchmaking industry. While since that time the
demands made of watches may have changed, the Junghans
philosophy has always remained the same. Innovative flair and
the constant pursuit of precision right down to the smallest detail
define how the company works and thinks. You can see and sense
this in every watch that carries the Junghans name. For as diverse
as the Junghans range may be, it pursues one single goal: to
combine traditional craftsmanship with cutting-edge watch
technology and exciting design. That makes every watch with the
Junghans star unique.
We hope you will enjoy this very special time-keeping instrument.
Yours,
Uhrenfabrik Junghans GmbH & Co. KG

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Contents Page
1. Radio-controlled technology 25
2. Readiness for use 27
3. Automatic time synchronisation 28
4. Functions 29
5. Manual time synchronisation / transmitter call 32
6. Readiness for reception / transmitter call 33
7. Setting the date 33
8. Setting the time zone 34
9. Restart / set-up 35
10. eneral information 36
11. Technical information 38
1. Radio-controlled technology – state-of -the-art time measurement
5,000 years have passed since timekeeping began, first with sun dials,
followed by water clocks, the mechanical clocks of the 13th century, quartz
watches and now culminating in radio-controlled watches.
Being in good reception the watch never goes wrong or needs to be set. The
Junghans radio-controlled watch is absolutely precise, as it is linked by radio
frequency to the time standards of the most accurate clocks in the world.
For ermany this is the Caesium Time Base at the Physikalisch-Technische
Bundesanstalt in Braunschweig (PTB, National Metrology Institute).
Frankfurt
Mainflingen
1500km

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If reception fails due to interference (e.g. thunderstorms, electrical appli -
ances), the Junghans radio-controlled watch will automatically retry recep-
tion in the following night. You can also synchronise time manually with a
transmitter call, for example at a location with better reception conditions.
The most recent time information received is stored internally in a time
memory. This original time continues to be kept using a high-precision
32 kHz quartz movement until the time is synchronised again. The radio-
controlled time synchronisation of your Junghans radio-controlled watch
not only gives you the precise time. iven good reception, switching from
winter to summer time, and vice versa, is done fully automatically (at night).
If you travel to a country with a different time zone, the time adjustment
feature on your Junghans radio-controlled watch makes it easy to switch to
local time.
2. Readiness for use
So that your Junghans radio-controlled watch is always ready for use, you
should make sure it does not run low on power. The watch regularly checks
if it has sufficient battery power. If it no longer has sufficient power (e. g.
empty battery or ambient temperature too low, which impairs battery
performance), the second hand stops at the 12 o'clock position. In addition,
the current LC display flashes alternately with the letters. In this event, the
seconds may also be shown on the LC display. If the battery does not recover
(e.g. through increased ambient temperature), you should take the watch to
your authorised dealer as soon as possible to have the battery changed or
send it to the Junghans Service Centre.
Type of battery: CR 1620
Average life of battery: approx. 2 years
Please note that manual time synchronisation is not possible when battery
power is low. Too much power would be needed.
Please ensure that the battery is disposed of properly in accordance with
legal requirements.

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3. Automatic time synchronisation
The daily, fully automatic time synchro-
nisation is done at night. A flashing dot
in the LCD indicates that the watch is
receiving the signal.
As soon as automatic time synchronisa-
tion has been successful, the dot in the
LCD stops flashing. The date is always
advanced automatically by the time sig-
nal and takes the 29th February into
account in leap years.
If all attempts at picking up a signal lead
to no clear synchronisation, the recep-
tion indicator is increased by 1. Any subsequent days without synchronisa-
tion are added. During these days, your watch continues to run with the
accuracy of a quartz watch using the internal time memory. The next suc-
cessful pickup of a signal synchronises your watch and resets the reception
indicator to ”0“.
Recommendation: To ensure the best possible conditions for overnight syn-
chronisation, we recommend not wearing the watch to bed, or to place it in
the vicinity of electrical appliances, mobile or cordless phones.
4. Functions
Please note: Depending on the model, your Junghans radio-controlled watch
is equipped with buttons or recessed correctors. Please use a suitable poin-
ted object to operate the recessed correctors.
Crown operation (depending on model)
Depending on the model, you can cover the LC display of your Junghans
radio-controlled watch by rotating the crown. The sole purpose of the crown
on your Junghans radio-controlled watch is to cover the LC display. Pulling
the crown is not necessary – nor possible – as this could damage the mecha-
nism.
Rotating the crown upwards (approx. 1.5 revolu-
tions in direction of T1) covers the LC display.
Rotating downwards (approx. 1.5 revolutions in
direction of T2) uncovers the LC display again.
T1
T2
44
44

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Pusher lock (depending on model)
Depending on the model of your Junghans
radio-controlled watch you can block the T2
button. To do this, move the safety lever bet-
ween T1 and T2 downwards (in direction of
T2) until it engages and the red marking
becomes visible.
To restore all T2 functions, move the safety
lever upwards (in direction of T1).
Analogue display: Hours, minutes, seconds
LC display:
Date, reception indicator, current hour of adjusted time zone, power control
display (if the power level is too low, the second hand stops at the 12 o'clock
position, the current LC display and the letters flash alternately. In addition,
the seconds can be displayed on the LCD.
Button T1
– Date
– Reception indicator
– Manual transmitter call
Button T2
– Current hour (adjusted time zone)
– Time zone adjustment
from + 10 hours to – 13 hours
CET or CEST setting
(reset function for DCF 77 local time
by pressing button for more than
3 seconds).
T2
T1
T1
T2

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5. Manual time synchronisation / transmitter call
Apart from automatic synchronisation using the DCF 77 time signal
transmitter, manual synchronisation – the so-called transmitter call – is also
possible.
To do this, press the T1 button for more than 3 seconds (use a suitable
pointed tool). The hands start running and stop at the 12 o'clock position. The
dot in the LC display will start flashing.
Instead of the date, the LC displays the seconds in digital form [00]. While the
signal is being received, please keep your watch still or put it down.
iven good reception, the hands will automatically move to the correct time.
You can interrupt manual synchronisation prematurely as soon as the
second hand is at the 12.00 position. Simply press the T1 button briefly. The
second hand will then return to the original time.
Please note that manual synchronisation is not possible if the battery
voltage is too low.
6. Readiness for reception / transmitter call
Transmitter calls are no longer possible if the time zone settings differ by
more than ± 1 hour from Central European Time (CET) or Central European
Summer Time (CEST), as your radio-controlled watch might be outside the
transmitter range.
7. Setting the date
The date is always set automatically by the time signal and takes the 29th
February into account in leap years.

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8. Setting the time zone
If you travel to countries with a time zone differing from Central European
Time (CET) or Central European Summer Time (CEST), you can set the current
local time using the T2 time zone button.
xPress the T2 button for less than 3 seconds (use a suitable pointed tool).
The LCD will display the current hour (24 hr. format).
xEach time you press the T2 button again, you advance the hour in 1-hour
steps (+)
Example: If you want to change the the hour from 15.00 to 16.00, press the
T2 button once.
xUsing the 24-hour display on the LCD, you can check if the time you
wanted is correct.
x9 seconds after last pressing the button, the LCD reverts automatically to
the corrected date.
xIf you press the T2 button for longer than 3 seconds, the LCD will revert to
CET or CEST.
Due to the internal memory, this is can also be done at any time outside
the transmitter range, e. g. on long-distance trips.
9. Restart / set-up
After changing the battery, the watch is automatically restarted. Please note:
The battery should only be changed by an authorised specialist or the
Junghans Service Centre.
Reception of the DCF 77 signal commences. iven good reception, the exact
time will be displayed after a few minutes.
If your radio-controlled watch is unable to pick up a signal, it will auto -
matically retry later on. In the meantime you can also set your radio-con -
trolled watch manually. This also applies if you are outside the DCF 77 trans-
mitter range and want to restart your radio-controlled watch after changing
the battery. In this case, your radio-controlled watch will show the time using
the 32 kHz quartz movement. You can set the desired time by pressing the T2
button.
The LC display will guide you (minutes are displayed from 0to 59).
Press button once = minute hand advances by 1 minute
Keep button pressed = hands will advance until button is released
Note: In this special case, the date is not displayed. Instead, the signal control
displays the number ”1“.
The adjusted time is kept until trouble-free contact with the DCF 77 time
signal transmitter is possible. The date is displayed again once the time
signal has been received.

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10. General information
External factors may cause damage to the seals, buttons and the watch
glass, leading to condensation inside the watch. We therefore recommend
having your watch inspected at regular intervals by your Junghans specialist.
Other service work, such as changing batteries or strap repairs, should also
be carried out by a Junghans specialist. Your watch is provided with a quali-
ty strap which has been tested several times on our premises beforehand.
Should you wish to change your strap, please use a strap of equal quality, pre-
ferably an original Junghans strap.
Use a dry or slightly moistened cloth to clean your watch and strap.
Attention: Do not use chemical detergents (e.g. benzene, paint thinners). This
could damage the surface.
Impermeability
Marking
Washing,
rain,
splashes Shower Bath Swimming
Diving
without
equipment
No marking No No No No No
3 A M Yes No No No No
5 A M Yes No Yes No No
10 A M Yes Yes Yes Yes No
The designation ”3 – 10 ATM” only applies to brand new watches. External
influences can affect water resistance. Please have your watch checked regu-
larly.

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11. echnical information
Set-up time under good reception conditions (DCF) approx. 3 minutes
Available time zone adjustment + 10 hours /
– 13 hours
Switching from CET to CEST and vice versa automatically
Synchronisation with time signal transmitters 02.00 and 03.00 hrs
Operating temperature 0ºC to 50ºC
No licence required. Approved by the FTZ
( erman Telecommunications Authority)
Subject to technical modifications
Declaration of Conformity
Uhrenfabrik Junghans mbH & Co. K herewith declares that this radio-
controlled wristwatch conforms to the principle requirements and other
relevant provisions of Directive 1999/5/EC.
A corresponding declaration of conformity can be requested from
[email protected]

Uhrenfabrik Junghans mbH & Co. K
Postfach 100 · D-78701 Schramberg
www.junghans.de · [e-mail]
42.712-0488 / 4425642 / 0812