Modem Mode - Promax 27 User Manual

USER'S MANUAL. PROMAX-27
SYSTEM
(only for analogue
channels):
MODULATION
(only for digital channels): You can select among QPSK, QAM16, QAM32, QAM64,
SYMBOL RATE
(only for digital channels): This value may be between 1000 and 7000 sym/s.
SYSTEM
(only for digital channels): Depending on the modulation used you should choose
In order to modify the rest of features of the channel plan, you will need the
RM-027 software.
To return to the previous menu (EDIT CHANNEL PLAN) press key BACK [F1] or
[F5]
To exit the menu EDIT CHANNEL PLAN and return to the previous screen
(CONFIG) press key BACK [F1] or [F5].

4.2.3 MODEM Mode

To access the MODEM mode in order to measure downstream, upstream and
services over IP :
1.- Press key
2.- Press softkey MODEM [F1].
3.- It appears the initial screen in MODEM mode (Figure 9.-).
07/2008
System type and communication standard. It can be
selected among systems PAL / SECAM / NTSC and
standards B/G, D/K, L , I, M, N. AUDIO FREQUENCY
(only for analogue channels): The frequency that the
audio signal is transmitted. No editable.
QAM128, QAM256 modulation.
the proper annex among following ones: ITU J.83 / A, ITU
J.83 / B, ITU J.83 / C.
[13].
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