Page 15
3.1.5
Daylight Saving Source
After unlocking the keyboard, navigate to Menu “
1 Masterclock
” and then “
15
Su/Wi Source
” using the arrow- or number-buttons as described in chapter Fehler!
Verweisquelle konnte nicht gefunden werden..
Display:
15 Su/Wi Source
> DCF
In this menu the user can select the daylight saving times switching behaviour of the
MPU-TC master clock.
DCF/user
If a DCF signal is available the switching to DST is done
according to the DST bit in the DCF packet. In case of a
poor DCF signal the DST offset is done according to the
user defined points in time (see chapter Fehler!
Verweisquelle konnte nicht gefunden werden.).
user
DST switching is done only at the user defined points in
time (see chapter Fehler! Verweisquelle konnte nicht
gefunden werden.).
DCF
Only the DCF DST bit is used for DST switching.
off
The master clock does not change to DST.
For the settings
DCF
and
DCF/user
the DST announcement bit is analysed.
After identifying 5 successive DCF packets with a set announcement bit within an
hour, a DST switch will happen at the next full hour, even if there is no DCF signal at
that point in time.
If 5 consecutive packets without the announcement bit set are received, there will be
no DST change at the next full hour, when no DCF signal is available at the moment
in time. Even if user defined settings would indicate a change for the setting
DCF/user
the switching will not be done.
With the button
>
>
>
>
, the cursor moves to the right and the buttons
^
^
^
^
and
v
v
v
v
allow you
to select the specific Summer-/ Winter-Time setting.
Everything is stored by pressing the button
e
e
e
e
and changes are discarded with the
button
<
<
<
<
or
c.
c.
c.
c.
If anything was changed you have to confirm your entry again by
pressing the
e
e
e
e
button after the query “
Save?
” is displayed. However if the changes
shall be discarded you have to press the
c
c
c
c
button.
