| Hom | Qauv | Siv tau |
| Dav Dav | SMLCD 1.Q ID NR.590768 | 300P of elevator lub ntsiab lus tseem ceeb |
300P lub tshuab nqa lub rooj tsavxwm debugging board ID 590768 SMLCD 1.Q debugging LCD zaub. Yog tias koj xav tau lwm yam khoom siv ntawm lub tshuab nqa lossis escalator, thov hu rau peb. Peb muab ntau hom thiab qauv.