Grass Valley Trinix NXT v.3.3.1 - Manual (Page 175)

Trinix NXT — Installation and Service Manual 175
NR/SR-33000 / SR-33500/ TRX-SR V-Phasing
Figure 89. SR-33000 Sync/OPM reference card
Switch S2.
DC and single power supply
systems: set JN2 to “DC.” AC
and Dual power supply sys-
tems: set JN2 to “AC.”
Monitor expansion jumpers JN3
and JN4.