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5.4 Selection Schedule for Automatic Summer/Winter Time
Setting Commen- Commen- Area
cement cement
dat 0 no change no change
Use for radio
controlled version
dat 1 last Sunday last Sunday EU
in March in October
2 AM ➔ 3 AM 3 AM ➔ 2 AM
dat 2 last Sunday 4th Sunday
in March in October UK
1 AM ➔ 2 AM 2 AM ➔ 1 AM
dat 3 1st Sunday last Sunday North
in April in October America
2 AM ➔ 3 AM 3 AM ➔ 2 AM
dat 4 individual Summer/Winter time table,
programmable only with Obelisk software
Setting of automatic summer-/ wintertime change over
Select the adjustment rule for automatic summer-/ wintertime change
over from table 5.4.
Activating see chapter 5.4.
5.5 Changing Automatic Summer/ Winter Time
Default: TR 642S/ TR 644S/ TR 686/4 DCF: dat 0
Default: TR 642S/ TR 644 S: dat 1
Select the new switching time (Chapter 5.3)
Example: basic setting dat 1 (radio controlled version)
Change to: Summer-/ Wintertime adjustment for EU dat 0
