They don't know what they are speaking ... Re the manual it accepts normal video:
Input Signal, Terminated
RGB Analog, DVI(Digital Visual Interface)
Composite Digital RGB, 0.7Vp-p±5%, Positive bright, 75Ω±10%(terminated),
Separate H/V sync, Composite,TTL level, positive or negative
TV / Video
Color system NTSC-M, PAL-M/N, PAL/SECAM - L/L',B/G,D/K,I
Video format S-Video, Composite, Component, Built-in-Tuner, PIP
