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7.2.9
S
TEREO
(RF
P
ARAMETER
C
ONFIGURATION
)
For Decoder modules which support NICAM or A2, and where the stereo license is installed, the NICAM or A2
configuration page will display a
Stereo
section where it is possible to choose the option
NICAM
or
A2
for
Stereo
Mode
, as shown in
When NICAM is selected, the NICAM carrier gets enabled on the RF output and the following configuration
parameters are available. Refer to ETSI standard EN300163 v.1.2.1 before changing the default configuration for
NICAM:
Nicam/Video Carrier
Ratio
The nominal output level for the NICAM carrier is 20dB down from the video
carrier. This value refers to power and not amplitude. The level can be adjusted
from 3dB to +7dB.
Nicam Mode
Choose between Stereo, Single Mono, or Dual Mono
Nicam Reserved
Turn the reserved flag On or Off. Default value is On (available on carrier). Some
TVs require the reserved flag to be turned On to enable NICAM.
When A2 is selected, the A2 carrier is enabled on the RF output as well as the following configuration parameters
are available:
A2 Mode
Select the appropriate A2 Mode:
•
Mono
–
Mono audio