User's Manual
Screen Service SDT 200UB – SDT 500UB ARK-1 ATSC Operations
July, 2009 v 1.0 Page 3 - 73
Table 15.
Output window
Box
Parameter /
Control
Description Admitted Ranges / Values I/A
RF ON / OFF
Output RF signal enabling. The possible output RF signal status are the following:
• ON;
• RF OFF: automatic switch off of the output signal (refer to Ampli status);
• OFF: manual switch off of the output signal.
• Green: ON
• Green: RF OFF
• Red: OFF
I/A
RF
Frequency
reference
Frequency reference source selector.
• External
• Internal
• GPS
I/A
RF
Internal Freq.
Ref. Tune
Internal frequency reference fine tuning setting. Allows the fine tuning of VCO, internal clock
oscillator, with 60 Hz steps.
• Min: 0
• Max: 255
I/A