Nautel NV30LT-N, Руководство по эксплуатации и техническому обслуживанию

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NV30LT-N OPERATIONS & MAINTENANCE MANUAL OPERATING THE TRANSMITTER
VERSION 0.1 2015-03-01 PAGE 3.2.57
Figure 3.2.39: Presets - SCA
SCA - (see Figure 3.2.39
)
:
 MPX SCA: Connector (J7:A for SCA1, J7:B for SCA2) for use with an externally generated SCA;
select
Enabled
or
Disabled.
When enabled, all the selections listed below are active.
 Input Level: signal level that represents 10% modulation. Enter a value between 1 and
5 V p-p (typically 2.83 V p-p).
 SCA Reduction : Attenuation applied to the SCA input; set between 0 and 20% (used to reduce
the modulation level of the main audio when SCAs are enabled; typically, for every 2% of SCA
modulation, the main audio modulation must be reduced by 1%).