Atari 800XL

MISCELLANEOUS ADJUSTMENTS
COLOR
Turn the Computer On and adjust the Color Control (R38) for
a blue screen on the Monitor.
RF MODULATOR
CHANNEL ADJUST
Set TV on channel 2 or 3 with the AFC off.Set the Computer
Channel Switch (S2) to the same channel and adjust the
Channel Coil <L201) for the best picture.
SOUND ADJUST
Type in and run the following program in Basic.
10 SOUND 0, 100, 10, 15: GOTO 10
Adjust the Sound Coil (L202) for maximum sound with
minimum noise.
Alignment Tools
L201, L202
GC ELECTRONICS
9440