Codan-radio MT-4E Analog and P25 Digital - Maintenance Guide Manual de usuario Pagina 56

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MAINTENANCE GUIDE | MT-4E ANALOG & P25 DIGITAL RADIO SYSTEMS
Chapter 5: Codan Radio System TestingPage 48
Measure the Modulation Fidelity of the transmitter as shown in Figure 5-35. The transmitter should not
read more than 5% Modulation Fidelity. If the Modulation Fidelity is more than 5%, the transmitter will
need to be returned to the factory for service. The high alarm point is set at 5%.
Figure 5-35: Transmitter Modulation Fidelity Measurement
Enter the C4FM Modulation Fidelity reading on the MT-4E Test Sheet.
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