From the DMR manual: "Note: Even if no battery is inserted or the battery is flat and the mains unit is not connected, the date and time setting is retained for around 10 days by a built-in buffer battery. However, the date and time must then be set attain as described above." ------ Unsubscribe or change to/from Digest Mode at: http://www.lrflex.furnfeather.net/ Archives are at: //www.freelists.org/archives/leicareflex/