Conrad DCF-77 Atomuhr

Software for the "C 64 / 128 Atomuhr" by Conrad Electronic, Hirschau: a DCF-77 time signal receiver module (Best.-Nr. 98 92 74 / 98 92 82) for the user port of the Commodore 64 and 128. The disk contains the instructions on disk (ANLEITUNG), the machine language driver DCF-77, the "Berliner Uhr" (a clock display after the Berlin set theory clock), the switching clock WSU for the user port channels and its instructions (ANL.SCHALTUHR). The second side is formatted as data disk ("platz fuer daten") and empty. See also the ACC - 64 Funkuhrsystem, another DCF-77 clock sold by Conrad.

Source 1

Property	Data
Title	C 64 / 128 Atomuhr
Publisher and/or Developer	Conrad Electronic
Year	1989
Disk(s)	1
Number of Index Holes	1
Media Type	5.25 DSDD
Retail, Budget or Compilation (with name)	Retail
Country of Release	DE
Language(s)	German
Platform	C64/C128
NTSC or PAL	PAL
Protection	None
Working?	Yes (needs the DCF-77 receiver for the time signal)
Archived	14 Aug 2023 Stefan_h@F64
Verified by	enigma

Receiver, disk sleeve and manual
Disk sleeve

Instructions on disk
Berliner Uhr

Disk label: "Atomuhr für C64/C128, Anleitung auf Diskette bitte sorgfältig lesen! Mit LOAD"*",8 laden und RUN starten". Manual: "C 64 / 128 Atomuhr, Empfänger-Modul, Best.-Nr. 98 92 74, Best.-Nr. 98 92 82", © Copyright 1989 by CONRAD ELECTRONIC GmbH, 8452 Hirschau. The clock programs need the driver DCF-77 (LOAD"DCF-77",8,1).

Both sides were also dumped single sided in 2021; the data is identical to the double sided dump.