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<strong>TTP</strong>-<strong>245</strong> / <strong>TTP</strong>-<strong>343</strong><br />
2.13. Sensor Circuit<br />
2.13.1. Gap and Black Mark Sensor<br />
Fig. 2.13.1 Gap / Black Mark Sensor Circuit Diagram<br />
1. The gap sensor is a penetrable sensor with 64 levels.<br />
2. Black mark sensor is a reflecting sensor with 64 levels.<br />
3. The gap sensor activates when gap and black mark SW signal is high. The<br />
black mark sensor activates when GAP& BM_SW signal is low.<br />
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