VIPA SSM-BG41, Manual

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Application of interfaces without data handling blocks Manual BG41/BG42/BG43
4-100 Rev. 99/49
Instruction 03: Put clock 1 hour forward (Changing from winter to summer time)
Instruction 03 is not available when using a DCF77 module.
Two acknowledgement bytes are returned.
Fig. 4-29: Operating the clock, command 4, instruction 03
Instruction 04: Put clock back 1 hour.
(Changing from summer to winter time)
Instruction 04 is not available when using a DCF77 module.
Two acknowledgement bytes are returned.
Fig. 4-30: Operating the clock, command 4, instuction 04