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USER'S MANUAL. PROMAX-27
4.2.6 TEST SIGNAL GENERATOR mode.
To access the TEST SIGNAL GENERATOR mode:
1.- Press key
2.- Press softkey GTOR [F3].
It is displayed the TEST SIGNAL GENERATOR screen (Figure 32.-).
This function creates a test signal to check the upstream traffic.
The instrument recovers the configuration of the last work session and shows it
on the screen.
At the bottom of the screen you will see next options:
POWER / MOD. / S.R. /
FREQ [F5]:
07/2008
[13].
Figure 32.- Setting parameters of the test signal.
Pressing this key you can navigate among editable
parameters. To change them, use the Cursor keys or
the alphanumeric keypad as appropriate. POWER, for
changing the power signal level, the margin of values
are from 60 to 110 dBµV; MOD for changing the type of
modulation of the signal, the possible values are QAM8,
QAM16, QAM32, QAM64 and QPSK.; S.R., for
changing the symbol rate of the pilot signal, the
possible values are: 160, 320, 640, 1280, 2560 and
5120. FREQ, for changing the frequency of a pilot
signal, the margin of possible values are from 5 MHz to
50 MHz.
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