Sony DSR-45/45P Operating Instructions Manual page 52

Connections for an A/B Roll Editing System
Reference video signal connection
When you perform editing, be sure to use a reference
video signal.
For details on reference video signals, see "About reference
video signals" on page 50 (GB).
Editing controller
REF.
REF. VIDEO IN 75 Ω
VIDEO
termination switch: ON
IN
REF. VIDEO IN 75 Ω
termination switch: ON
Player 2
Use 75 Ω coaxial cables for all of these connections.
52
(GB) Chapter 3 Using the Unit as a Player in an Editing System
If you intend to make this unit perform playback
synchronized with an external reference video signal,
set EXT SYNC on the VIDEO SET menu to ON.
Switcher
4 3 2 1
BLACK BURST OUT
VIDEO IN REF.IN
REF. VIDEO IN
REF. VIDEO IN 75 Ω
termination switch: ON
REF. VIDEO IN
Recorder
DSR-45/45P (Player 1)