Extron electronic RGB 201 Rxi manual Spare

Installation and Operation, cont’d

Up — The interface outputs serration pulses in the vertical sync interval.

Down — The interface does not output serration pulses.

4 — Vertical sync pulse width — For some digital displays, if:

•no picture appears,

•the picture cuts in and out,

•the picture is scrambled,

try adjusting the output vertical sync pulse width or switching from ADSP to DDSP.

Up — The vertical sync pulse is narrow. Down — The vertical sync pulse is wide.

5 — Monaural audio left

Up — Mono audio is output on the left channel only. Down — Normal stereo output.

6 — No LCD backlight — This switch controls illumination of the LCD backlight.

Up — The LCD backlight is off, except for three seconds at power-up.

Down — The LCD backlight is on while a signal is present at the selected input.

7 — Local monitor and ID bit termination — This switch controls input ID bit termination when no local monitor is used.

Up — ID bits 4 and 11 are tied to ground. Down — ID bits 4 and 11 are unterminated.

8 — Spare

2-14 RGB 201 Rxi Universal Interface • Installation and Operation