WISI
VALUE LINE
Operating instructions
© WISI Communications GmbH & Co. KG
-22-
VX 29 B series
RF amplifier, remotely powered
Spectral monitoring GUI
The
WISI
HFC (see section 3.3) provides a quick and simple overview on
the amplified RF signals without the need for external measurement equipment.
Spectral representation of the RF input (black) and output (grey) signals
RF channel table
In order to obtain a meaningful representation of the spectrum analysis, the RF
channel table stored in the LR 45 should match your downstream channel lineup.
The channel table consists of semicolon-separated values in a *.csv file with the
following line format:
[frequency];[modulation format]<CR><LF>
Syntax item
Description
[frequency]
RF channel frequency in MHz
PAL: carrier frequency / QAM: center frequency
;
Column separator: ; [semicolon]
[modulation format] CW
(unmodulated) /
PAL
/
QAM
(necessary for correct sensor calibration)
<CR><LF>
Line break (typically given by the spreadsheet editor)
