IKUSI 4449, Руководство пользователя

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40
Unit installation and confi guration / Main menu
a) Locate and select the option
FREQUEN-
CY.
Confi gure the output frequency value
between
45 MHZ
and
865 MHZ.
b) Locate and select the option
ATTENU-
ATION.
Select the output attenuation
between
0
and
47
dB.
c) Locate and select the option
OFDM
MODE.
Select the OFDM mode between
2K
and
8K
subcarriers
.
d) Locate and select the option
BAND-
WIDTH.
Select the bandwidth between
6,
7
and
8 MHZ.
e) Locate and select the option
GUARD
INTERVAL.
Select the guard interval be-
tween
1/32, 1/16, 1/8
and
1/4
of symbol.
f) Locate and select the option
CONSTEL-
LATION.
Select the modulation constella-
tion between
16QAM
and
64QAM.
g) Locate and select the option
CODE RATE.
Select the code rate between
1/2, 2/3, 3/4,
5/6
and
7/8.
Status of the unit
NOTE
The unit lets you see its status in detail and the existence of active alarms in the
module.
1) Locate and indicate
STATUS.
a) Locate and indicate
STATUS: **.
The unit
displays its status and alarms:
OK / ER-
ROR
.
Manual MAC, TRILINGÜE.indd 40 Manual MAC, TRILINGÜE.indd 40 11/16/2010 1:39:08 PM 11/16/2010 1:39:08 PM