WAVECOM Decoder W74PC, W-PCI/e, W-CODE, W-CLOUD Manual V9.1.0 Transmission Modes
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EEA
The entire call number is transmitted by consecutive tones in decade sequence. When two identical digits
are to be transmitted consecutively, then an eleventh frequency is used as a repetition identifier.
If there more than two identical digits are to be transmitted the repetition tone is appended to the digit
tone (e.g. 22222 is transmitted as f2 fw f2 fw f2, where f2 is the tone for "2" and fw is the repetition
tone).
In most systems the accuracy of the single frequencies has to be within +1/-1.5% of the nominal value.
Decoding the selective calls is started by clicking on a system. If transmission and system selection con-
form, the call sign is displayed on the monitor. In the Options menu a Time stamp function can be ena-
bled to add date and time to each call.
Tone Allocation
Tone duration: 40 ms.
EFR
A German company operates a radio broadcast load balancing and ripple control system for electrical
power distribution networks. Short telegrams are used to control street lights, heaters, tariff switching etc.
Broadcast asynchronous ASCII
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