26
If the temperature inside the analyzer is out of tolerance, then this may lead to additional
measurement errors or failure of the device.
In case of an error indication of the Calibration tables or internal Devices, it is necessary to contact
the service center.
4.7
Identification Data Readout
The identification data readout program is intended for determining the serial number of the
Analyzer, their modifications and software versions. The
icon in the main menu
corresponds to this mode. The screen view is shown in the Figure 4.20:
Figure 4.20
4.8
Operation Controlled by PC
4.8.1
General Information
You can control your IT-19C QAM Signal Analyzer via PC that connects via USB.
ViewIt19C
and
SoftManager
software can be downloaded from
4.8.2
ViewIt19C Software
ViewIt19C
makes it possible to:
1)
measure the following (for channels with analog modulation):
•
video carrier level;
•
video to audio carriers ratio;
•
video carrier to noise ratio.
2)
measure the following (for channels with digital modulation):
•
channel power;
•
channel power to noise ratio;
•
MER, CBER, PER for J.83 Annex A/B/C modulated channel;
