User's Manual
ISO 9001:2000 Cert. N°4500/1
Version 1.1 SDT_ARK6_User_Manual_ENG_vATSC Page 107 of 206
Alarm
Description and limitations
Troubleshooting
Mode(2)
RF mask (1)
[DVB-T2] MEAS
LDPC Mean Err
RF output LDPC iteration per minute goes
over the alarm threshold.
Check input signal
T2
0
[DVB-T2] SFN Alarm
The logical OR of the following conditions:
T2-MI Timestamp error.
T2-MI Timestamp wrong CRC.
T2-MI Timestamp not present.
The Holdover status is either OFF or
TMO Expired.
The monitoring of this alarm is disabled when
the [DVB-T2] T2-MI Err alarm is on and when
the Network mode is MFN.
Check input signal
T2
X
[DVB-T] Input Not
present Alarm
Seamless improper working warning
One or both Seamless logic input of the
current mode isn’t locked.
This alarm is enable only in Tx DVBT mode
Check connection status of physical input
associated to logic input
Check type and source of input associated to
logic input
Hardware fault
T
0