Freedom R8100 SERIES, Руководство оператора

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Figure 2.2.7.9.2-1 Main screen in Generate mode after selecting the P25 II soft key
Test Pattern (P25 II submenu)
Provides selection for one of 6 TIA-102.CCAA compliant predefined bit patterns for BER testing of a
P25 phase 2 radio in receive mode. The following patterns are available:
Figure 2.2.7.9.2-2 P25 II Generate mode test patterns
1031 Hz Tone – The standard tone framed test pattern of the 1031 Hz vocoder tone for either modulation
type and both logical channels.
Calibration (Tone 5%) – The test pattern derived from the standard 1031 Hz Tone test pattern to verify
BER measurements are operating correctly, for either modulation type and both logical channels. The 1st
of every 20 bits is inverted (i.e. ~5%).
Silence – The framed test pattern for silence at the vocoder for either modulation type and both logical
channels.