NEC PC-8201 - Page 70

5.3.7 Audio Cassette Interface Operation Test
(1) REC Operating Test
By executing the test
command in Figure 5.30. you can verify the signal in
Figure 5.3 1.
CSAVE "X"
L
Figure 5.30 Test Command
Space I Mark
Signal at
U43 (P9) p{
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"H" I "H"
Signal at U27 (PI21
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' 0.21 ms
Signal at U43 (PI)
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Signal between
R21 and RM
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>
Figure 5.31 Terminal Signals
Signal at U43 (PI 1) -
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