11
Bandwidth
There are three possible options provided for selecting bandwidth: 6M, 7M, and 8M.
When the display shows them, user just need swift LEFT and RIGHT key to choose
and repressing ENTER to confirm.
Constellation
There are three different constellations QPSK, 16QAM and 64QAM shown on the LCD
window. When entering Constellation, user can apply the same setting method as
mentioned above to select and confirm one mode.
Transmission Mode
When user enters Transmission Mode, the LCD would show the current working mode.
User can move LEFT/RIGHT keys to select and press ENTER key to confirm. 2K and 8K
are the options:
2K: When the device works as current mode, the number of current carrier is 2048
8K: When the device works as current mode, the number of current carrier is 8192
Guard Interval
In communications, guard intervals are used to ensure that distant transmissions do
not interfere with each other. These transmissions may belong to different users (as
in TDMA) or same user (as in OFDM). The purpose of the guard interval is to
introduce immunity to propagation delays, echoes and reflections, to which digital
Transmission Mode
2K 8K
Constellation
QPSK 16QAM 64QAM
Bandwidth
8M 7M 6M
