Burst Electronics MCG-3 - Manual (Page 39)

38 MCG-3 Color Micro Character Generator
MX M MX M MX M MX M MX MIIIIIX X X X XE E E E ER R R R R
PURPOSE: Sets MCG-3 line status.
FORMAT: MX,x MX,x MX,x MX,x MX,x
x = 1 for Mixer On (ONLINE)
x = 0 for Mixer Off (OFFLINE)
DESCRIPTION: This command sets the ONLINE (Mixer ON,
characters are present) and OFFLINE (Mixer OFF, characters are NOT
present) status of the MCG-3. The looped though video is not affected
(other than the character overlay). The contents of the MCG-3 page,
memory are not affected.
EXAMPLE:
MX, MX, MX, MX, MX,1 1 1 1 1 Sets MCG-3 to ONLINE . ONLINE LED ON .