Freedom R8100 SERIES, Руководство оператора

Страница: 215 / 255

215
Figure 3.2.9.2-2 Pre-Amplifier alert when broadband measurements are active
Pre/De-emphasis
Enables or disables (default) emphasis network for internally coupled audio signals. When enabled, the
R8100 applies both pre-emphasis to audio signals before they modulate the RF carrier and applies de-
emphasis to audio signals demodulated from the RF carrier.
Meter In Filter
Allows selection of various filters to apply to external audio signals measured at the Meter In port. Settings
include:
None – No filtering is applied to signal.
C-Msg – Applies a C-Message weighting filter to signal.
CCITT – Applies a ITU-T O.41 weighting filter to signal
De-emphasis – Applies de-emphasis filter to signal