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Appendix H: Viavi CX300 Tests
MAINTENANCE GUIDE | MT-4E ANALOG & P25 DIGITAL RADIO SYSTEMS
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 H-26 until a
deviation of +/- 0.35 KHz (narrowband) or +/-0.5 KHz (wideband) is measured on the CX300. There are no high
and low limits�
Figure H-26: RSS Transmitter Subtone Deviation Level Adjustment
Enter the CTCSS Encode Deviation level reading on the MT-4E Test Sheet.
