Codan-radio MT-4E Analog and P25 Digital - Maintenance Guide Instrukcja Użytkownika Pobierz pdf (Strona 52)

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

Chapter 5: Codan Radio System TestingPage 44

In the Subtone Levels area of the Service section on the RSS, click on the “Key Tx” button and adjust

the Narrow and/or Wide Internal and/or External Subtone Deviation level adjustment as shown in Figure

5-30 until a deviation of +/- 0.35 KHz (narrowband) or +/-0.5 KHz (wideband) is measured on the IFR

2975. There are no high and low alarms.

Figure 5-30: RSS Transmitter Subtone Deviation Level Adjustment

Enter the CTCSS Encode Deviation level reading on the MT-4E Test Sheet.

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Codan-radio MT-4E Analog and P25 Digital - Maintenance Guide Instrukcja Użytkownika Strona 52