Codan-radio MT-4E Analog and P25 Digital - Maintenance Guide Uživatelský manuál stáhnout pdf (Strana 56)

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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Codan-radio MT-4E Analog and P25 Digital - Maintenance Guide Uživatelský manuál Strana 56