Spectrum Analyzer - Promax US TV EXPLORER II Manual De Uso

MPEG-2 TS DVB-T
5.16

Spectrum Analyzer

The Spectrum Analyzer mode allows the user to discover quickly and easily
signals present in the frequency band and to make measurements at the same time. To
select it press [13] key. The monitor will show a picture like the one described in the
next figure.
70
60
50
40
30
CH:
The horizontal lines define the signal level, the broken lines being separated a
distance equals to 10 dB. The level of the top line (70 dBμV in previous figure), named
Reference Level, can be altered using the vertical cursors
60 dBμV to 130 dBμV by steps (from 70 dBμV to 130 dBμV in satellite band). The vertical
measurement range changes to 5 dB/div by holding pressed the lower arrow cursor key
[6] and changes to 10 dB/div by holding pressed the upper arrow cursor key
[6].
Page 68
DESPLAZAR: PULSAR ENCODER
Figure 50.- Zoom x2 constellation diagram.
43
Figure 51.- Spectrum analyzer mode.
USER'S MANUAL. US TV EXPLORER
MODULATION:
DVB-T/H (64 QAM)
F: 794.00
CH: 66
CARRIER:
TYPE: data
DECAY:
ZOOM:x2 CLEAR
FREQ: 650.00
POWER: 65.6 dBµV
SPAN: 32 MHz
[6] key over a range from
MHz
0
16
MHz
11/2013
II