User`s manual

User’s Manual - mediaMAX MINI HD

Reserved of technical modiﬁ cations and/or errors

ENGLISH

rev 1.2

17.4.1 Monitor mode

This menu option is a screen of measures. It shows some additional measures of the digital terres-

trial television signal.

The additional measures are:

Guard interval

Mode: bearer number

HRCH: Hierarchy

Cell Id: Parameter about operators.

17.4.2. Frequency response

The frequency response function allows monitoring the digital C/N levels for each DVB-T carrier.

In fact the echoes can also be seen with the frequency response, but the interpretation is different.

The EDM feature shows the interference level that is produced by an ECHO in the tuned multiplex.

Thanks to this feature we can detect easily if our installations receives any kind of rebound (ECHO)

and if this is interfering in the quality of the tuned channel.

For this reason the EDM feature shows a percentage (%) of the interference level of the signal that

is received with delay regarding the tuned channel.

The following screenshot shows the frequency response for a near perfect DVB-T carrier, where all