Echo / Guard Interval - Triax MCT059 User Manual

– MCT059 –

17 Echo / Guard interval

Available only for DVBT/H, DVB-T2 or DVB-C2 standards.
Pressing allows you to access to Echo Guard interval measurement.
Signal without echo Signal with echoes and pre-ech-
oes
Pressing changes the horizontal scale (distance).
Horizontal scale can be set in µs, km or miles by pressing
Moving measurement arrow can be done by screen touch, or by automatic search keys
and .
The end of the guard interval is displayed with a yellow line.
Reminder:
Remember: In terrestrial TV broadcasting, the received signal on the antenna comes from several possible
ways: the echoes.
In digital TV DVB-T/H and DVB-T2, these echoes may help or degrade the image according to the time de-
lay between the various signals that reach the antenna.
p.
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