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time signal reception

before making a conclusive choice of position it is advisable to first test 

the reception conditions at the preferred location.

to test these, insert the battery as described in start up and place your 

junghans radio controlled clock in the preferred location. if no time 

signal is received after a few minutes, change the location. to restart 

synchronisation remove the battery for at least 2 minutes and then 

insert it again as described under the start up directions.

recommendation:

 to ensure the best possible reception conditions for 

the automatic time synchronisation the junghans radio controlled clock 

should not be positioned in the vicinity of electrical devices such as 

televisions or cordless telephones, where possible.

automatic time synchronisation

automatic time synchronisation occurs every 2 hours. summer and win­

ter times are taken into consideration. if the attempt at reception does 

not result in clear time synchronisation, your clock will continue to run 

with the highly­accurate 32 kHz quartz movement. the next possible 

successful reception will then result in time synchronisation.

12h-set (2) 

the two contacts are to aid assembly of the hands by a clockmaker. 

if you accidentally touch the two contacts with a metallic object, the 

hands will move to the 12 o’clock position and remain there. to get the 

clock moving again remove the battery for at least 2 minutes and then 

insert it again as described under the start up instructions.

C. radio controlled calibre J780

  operating elements and functions

IECLR6_1.5V

IECLR6 / AA

 / 1.5V

5

DCF radio-controlled

1 mount for wall clock

2 12h­set

3 battery symbol

4 battery compartment

start up

insert a 1.5V alkaline AA, LR6 battery into the battery compart ment (4), 

with the correct polarity. note the battery symbol (3) on the movement 

for this. to remove the case back of your max bill table clock press 

gently on the lower left corner (5) of the case back. time synchronisation 

commences with insertion of the battery. the hands move to the 4:00, 

8:00 or 12:00 position and the reception phase with the DCF 77 

transmitter commences. after a few minutes under optimal reception 

conditions the exact time is set. if your radio controlled clock is unable 

to receive a time signal, it will make further attempts at synchronisation 

every two hours.

 

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