2. Connect the red test lead to the
V
˖
jack
and the
black test lead to the COM jack.
3. Connect the red test lead to the test point and the
black lead to the common buss of the logic
circuit.
4. A “
Ⴃ
” on the display indicates TTL logic high and
a “
Ⴍ
” indicates a TTL logic low. Both indicators
are on when the point of measurement is
toggling high and low.
15
Summary of Contents for AMM-1009
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