This article is from the Apple II Csa2 FAQ, by Jeff Hurlburt with numerous contributions by others.
For a IIgs, you connect to the IIgs RGB monitor. For other Apple II's, you
use a video quality 'RCA cable' to connect to a composite color monitor, such
as one of the Apple II monitors or a third party monitor like the Amdek Color-
1. (The IIgs has a composite color output which can go to a composite monitor;
but, for IIgs super-res, the results are unsatisfactory.)
An alternative to a composite monitor is to connect to a color TV directly
or through a VCR. Most VCRs and many modern televisions have a composite video
input port. Rather than buying a new monitor, a person can usually use an RCA
cable to connect the Apple to a spare VCR or television. The stabilization
logic built into even a cheap VCR can go a long way toward cleaning up an ugly
picture.
 
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