APPEAR AS
Confidential
279/352
Number of carriers
Choose either: 1, 2, 4, or 8 carriers.
Output power level per
carrier
Default value is 107.0 dBµV and the accepted range is between 95
–
111dBµV. This value, however, can be expressed in dBµV, dBmV, or dBm.
Deviation pilot tone (kHz)
Represents the amplitude of stereo pilot signal. Its range is between 1.0
kHz to 12.0 kHz with a default value of 7.5 kHz.
Under the
MPX
section, the following parameters are available:
Test signal source
The port number of the test signal source; default is A.
Total output level (dB)
Valid adjustment is from 6.0 dB to -6.0 dB, with a default value of 0.0 dB.
To ensure that the total power level is appropriate, any changes in the number of carriers
need to be followed by a power level reset.
The number of services is determined in the global parameters setup. If the module is not
configured, only eight services along with default frequencies will be listed.
10.1.2
C
ONFIGURING
R
ADIO
S
ERVICES
To configure services on the FM radio module, select
FM Radio
from the
Navigation Pane
. A list of all FM radio
modules in the chassis is shown, by slot number, together with a list of services with configurable fields for each
service on the module.
The following variables are displayed:
Slot
The slot in which the module is installed
Output
The port on which the service is output
Input Source
Select a service of your choice via the drop down box
Freq [MHz]
Output frequency of the service
Enable
Enable RF up-conversion of a chosen service from a particular port on a module in a
particular slot.
Audio gain
Relative audio output level in dB; audio output level can be adjusted by clicking
Edit
.
Test tone
This field indicates if a test tone has been enabled on a particular service or not.
AC/s
Audio Clipping/second. This function reports audio clipping and is updated every 10
seconds. Clipping of audio can be reduced by configuring the audio level
adjustment (can be found by clicking on
Edit
).
