PRORXD Broadcast Receiver User Guide
Commercial in Confidence
Broadcast Solutions, HD/SD Products,
PRORXD
100167
Revision: 7.0
Commercial in Confidence
Page 7-60
Step 3: Select the Individual LOs Checkbox
When selected, more fields which let you see individual LO Frequencies are shown. You will also find a
checkbox which enables you to invert the COFDM spectrum.
Figure 7-20 Downconverter Settings Pane with Individual LOs Selected
No
Property
Range
Description
1
LO Frequency
(MHz)
1720 or a correct
downconverter
frequency.
All our receiver units operate downconverters to
lower the frequency from microwave (L, S and C-
Band) to an Intermediate Frequency (IF) between
51 and 858MHz that the on-board tuners in the
receivers can operate with.
We find this information from the downconverter
frequency and side table in
Appendix D –
Downconverter Data
.
2
LO Side
Low or High
It is necessary to set which side (of the expected
incoming frequency) the LO frequency will be.
We find this information from the downconverter
frequency and side table in
Appendix D –
Downconverter Data
.
3
Invert
Select or Clear
Selected=Inverted
Cleared=Normal
All DTC equipment must operate with normal
mode. The receivers can be used with other
manufacturer’s products and sometimes this
requires us to change the polarity to inverted to
align with this third party equipment.
Table 7-16 Individual LO Settings Key