– MCT059 –
p.
53
min threshold max threshold
12.7 Digital measurements
In digital measurement mode, in addition to the
RF
level and to the
C/N
here above, the appliance also dis-
plays the various
BER
(Bit Error Rate), the
PER
(Packet Error Rate) and the
MER
(Modulation Error Ratio)
under
DVB-T/T2/T2Lite, DVB-C/C2, DVB-S/S2
or
DSS.
You also get the
LKM:x.xdB
(Link Margin) specification.
This expression in dB is the difference between the measured MER and the limit MER before disconnection
of the image:
it’s the security available before disconnection
.
“Sync ?”
displayed on screen means that the signal is absent or unlocked; check its pres-
ence, the modulation parameters, the presence of remote power supply and the LNB and
DiSEqC parameters under satellite band.
The sign
<
before a value or error rate shows that there is no error but that 10
-X
bits have
been tested (i.e. <10
-8
means that 10
8
bits have been tested).
You can shift from terrestrial to satellite mode by:
-
Changing the setup frequency
-
Changing of standard
-
Changing of setup (from a terrestrial to a satellite setup)