Atari 2600

2600A Audio Test Procedure (Continued)
Are the two
patterns in
Figure 4-9
alternating on
the screen?
I Yes
Do the panems
alternate wirt.1
the tones?
I Yes
I
Are bath colors
and tones con-
I
J
Put switches
back to initialized
positions.
b
I
VCS will go
through one last
cyde before changing
to color bar test.
b
Swapout
1) A201
Pg. 6-27
I
Ate patterns
Pg. 4-45
sistent each
cyde?
2600/2600A Domestic VCS
I
Changed per
ECN #0021
1 /29/83
now correct?
(As in Figure 4-91
I
No
2) A200
3) A202