Setting the clock manually – Meinberg DCF77 UA509 User Manual

Page 12

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Setting the Clock Manually

To set time and date it is necessary to connect two additional push-buttons either to the
circuit board (see figure below) or to the assigned pins of the rear connector (see table
Rear Connector Pin Assignments). Pushing the buttons pulls the signal down to
ground. The clock can be set as described below.

If the button labeled SETMODE is pressed and held, the on-board clock is stopped

and one of the digits begins to blink. The blinking digit can be incremented once per
second by pressing and holding the SET button. If the SET button is released and
pressed again, the next digit starts to blink and increments while the SET button is
being held. When the SETMODE button is finally released, the clock starts at the time
that has been set up.

If the display is switched to “Date” before the SETMODE button is pressed, the

date can be set in the same manner. However, if the radio clock has synchronized with
DCF77, the decoded information of time and date will override the time and date that
have manually been set.

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