Screen Service
SDT 200UB – SDT 500UB ARK-1 ATSC
Operations
July, 2009
v 1.0
Page 3 - 78
Box
Parameter /
Control
Description
Admitted Ranges / Values
I/A
Opto&Relay Opto
0…3
Opto status indicators. Optos are normally opened:
•
Opto 0: RF Off, manual switching off of output RF;
•
Opto 1: Mode A/B switch;
•
Opto 2: Retry of amplifier alarms (only in SDTX 200 version);
•
Opto 3: Stand-by enabling; it puts the device on stand-by.
•
Green: Closed (0)
•
Grey: Opened (1)
I/A
Mode A / Mode B Channel
Output channel.
•
Min: 14
•
Max: 77
I/A
Mode A / Mode B Power [dBm]
Output power (expressed in dBm).
•
SDTx 20/50
o
Analog min: 23 dBm
I/A
