Mer/Carrier - Alcad 918 Serie Manuel D'utilisation

18 MER/Carrier

This function is available only for DVB-T/H and DVB-T2 standards.
Pressing
The instrument will display MER per carrier and the MER of the whole signal
For a perfect signal, the MER will be displayed:
Perfect signal
The MER of each carrier is displayed, and each « hole » represents a potential problem on the signal or a
spurious.
A real signal is fluctuating a little bit. This must be taken into account during analysis:
Low level disturbance
In this page the Vitesse (speed) key defines the sampling of displayed carriers and MER:
79
allows you to measure and display MER/ Carrier.
: all carriers are sampled and used
: one over two
: one over four
: one over eight
: one over 16
: max speed : 624 carriers are measured
Highly disturbed signal
High level disturbance