Cresta DTX 320, User Manual, Page: 19 / 41

19
RECEPTION OF RADIO CONTROLLED SIGNAL (DCF MODULE INSIDE
THE OUTDOOR SENSOR)

The DCF radio signal search starts automatically after the batteries are inserted intothe
outdoor sensor. The RCC symbol is flashing.

The RCC symbol will be stable (no flashing) in case of receiving the signal successfully.

The radio controlled time will be transmitted to the main unit together with the outdoor
temperature by a RF signal. (Pls make sure the RCC is ON for the main unit)

Press WAVE at the battery compartment of the outdoor sensor for more than 3 seconds
to enter or quit the radio controlled signal reception.

The RCC symbol will be shown in the main unit once the RF signal is received

The clock synchronizes with the DCF radio signal automatically and daily from AM 1:00 to
3:00 to correct potential time deviations.If the synchronization is unsuccessful the RCC
symbol disappears from the display ‐ a further synchronization attempt is made from
4:00and 5:00 until it is successful.This process is repeated up until 5:00AM.If after these
attemtps the reception is still not successful the process will stop.
INFORMATION

The flashing RCC symbol stands for DCF radio signal reception started.

The continuous and stable RCC symbol stands for a successful DCF radio signal reception.

Please observe a minimal distance of 2.5 meter to sources of interference such as
televisions or computer screens.

The RF signal reception is weaker in rooms with concrete walls ‐ e.g. in the basement ‐
and in office buildings. For extreme cases, please put the main unit near a window.

There are less atmospheric disturbances at night. A radio timesignal reception is usually
possible at that time. One synchronisation per day is sufficient to keep the time display
accuracy at 1 second.
TIP: You can adjust the time manually in case the clock cannot receive the DCF radio
signal (due to interferences, large distance to the sender, obstructions like mountains,
etc). As soon as the radio signal can be received, the clock will be adjusted automatically.
Radio signal sender coverage up to 1500km distance to Frankfurt/Main.
REMARK: First, make sure the outdoor sensor receives the DCF77 time signal, then make
sure the main unit can receive the RF signal from the outdoor sensor
ENVIRONMENTAL FRIENDLY DISPOSAL
The European Directive 2002/96/EC on Waste Electrical and Electronic Equipment – WEEE –
requires that old household electrical appliances must not be disposed of in the normal
unsorted municipal waste stream. Old appliances must be collected separately in order to
optimise the recovery and recycling of the materials they contain and reduce the impact on
human health and the environment.