Promax 10 SE, Manual

Page: 87 / 154

Premium USER’S MANUAL. PROMAX-10
11/2008 Page 27
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When pressing again the rotary selector , the PROMAX-10 Premium
carries out a new measurement. If the selector rotary is pressed twice, you will access
the screen of
Power and C/N ratio measurement again (section 4.2.3.1.4).
C21 CCIR
QAM 32/DVB
SR= 6.875
BER: 4.8E-8
BER : 4.7E-8
MER= .28 dB
ALL Locked
Figure 22.- Constellation Diagram representation and
Pre-BER, Post-BER and MER measurement in a digital channel.
Figure 23.- DIG. CH CONFIG. 1/2.
Figure 24.- DIG. CH CONFIG. 2/2.
4.2.3.1.6 CHANNEL Tuning CONFIGURATION
In CHANNEL-FREQUENCY mode, when the instrument works in channel
tuning, if you press the CONFIG key [14] you will access the first page of the
configuration menu of the parameters relating on this mode (Fig.23).
The parameters which may be changed and
their values range are shown in the following table.
The parameters are different depending on the
channel, whether it is digital or analogue.
To define a CHANNEL as DIGITAL or
ANALOGUE , you should go to the EDIT
CHANNEL option that is in the GLOBAL
CONFIGURATION menu (see paragraph 4.2.1).
To access the second page of the GLOBAL
CONFIGURATION screen, press again the CONFIG
key [14] (Fig. 24).
To change a parameter value, turn the rotary
selector [9] until the field is activated (it will appear
shaded) and then press the rotary selector, the
value of the parameter will be activated and you will be able to change it by turning the
rotary selector. When the value you want appears, press the rotary selector [9] to
validate it.
Numeric fields such as FREQ. AUDIO , are edited digit by digit, starting from the
lowest weight digit.
CONFIGURATION parameters of ANALOGUE CHANNELS in CHANNEL
TUNING mode.
DIG. CH CONFIG: ½
CHANNEL BW 7.0 MHz
NOISE FREQ. 3.5 MHz
1/2
NOISE MODE F
FCH 0.00 MHz
BW CANAL 7.0 Mhz
CONFIG QAM: 2/2
C02 50.50MHz CCIR
ANNEX ITU-T DVB
QAM MOD. QAM 32
SYMBOL RATE 6.875 MHz
ATTEN. AUTO
QUADRANT Q3