Codan-radio MT-4E Analog and P25 Digital - Maintenance Guide Manual do Utilizador descarregar pdf (Página 51)

MT-4E ANALOG & P25 DIGITAL RADIO SYSTEMS | MAINTENANCE GUIDE

Chapter 5: Codan Radio System Testing Page 43

FGEN1 (if used) is conﬁ gured to inject a 100 Hz tone at -18.0 dBm (0.098 Vrms or 0.277 Vpp) into the

Tx Subtone input as shown in Figure 5-29. If the internal programming is used to generate the CTCSS

tone, FGEN1 is not used and the CTCSS tone is generated internally in the transmitter.

Figure 5-29: Transmitter CTCSS Tone and Deviation Measurement

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Codan-radio MT-4E Analog and P25 Digital - Maintenance Guide Manual do Utilizador Página 51