THE TOUCH TONE PHONE » 0164 « DEUTSCHE BUNDESPOST (1989) ********************************************************************* This nice telephone has Transistors, ICs & buzzer inside. The KEY-PAD generates DTMF (= DUAL-TONE-MULTI-FREQUENCY ) used in modern Tel.Nets or can be set to produce PULSE-DIAL used in old Tel.Nets ... If the telephone came with IWV, than it can be set to MFV ... [A] TEMPORARY: [B] via HARDWARE ... INSIDE: Setting (>>>>) SWITCH = turn right = MFV / IWV = left turn German Terminology: --------------------------------------------------------------------- Pulse-Dial / German: "IWV" = ImpulsWahlVerfahren Tone-Dial / German: "MFV" = MehrFrequenzVerfahren Back to »H1-LX« ... Historical Remarks ... impressum: ********************************************************************* © C.HAMANN http://public.BHT-Berlin.de/hamann 09/06/23 |