User's Manual

Screen Service SDT ARK 1 ECHO Operations
Jan, 2012 v 1.ATSC_FCC Page 3 - 67
Box
Parameter / Control
Description
Admitted Ranges / Values
R/H
Opto & Relay
Relay 0…3
Relays status indicators.
 Green: Alarm on/Mode A
 Grey: Alarm off/Mode B
R/H
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)
R/H
Mode A / Mode B
Channel
Output channel.
 Min: 21
 Max: 69
R/H
Mode A / Mode B
Power [dBm]
Output power (expressed in dBm).
 Analog min: 23 dBm
 Analog max: 43 dBm
 Digital min: 17 dBm
 Digital max: 37 dBm
R/H
Mode A / Mode B
Power [W]
Output power (expressed in W).
R/H