observation elevator We can offer machine room panoramic elevator,small machine room panoramic elevator and machine roomless panoramic elevator. Elevator functionsS=standard O=optional NO. functionNO. function1 VVVF drive S 25 Fire emergency return O 2 VVVF drive for door operator S 26 Fireman running O 3 Emergency car lighting S 27 Five parties communicatication device S 4 Light curtain protection S 28 interphone S 5 Designated stop S 29 Bell S 6 Automatic bypass S 30 Floor and direction indicator in the car S 7 Overload holding stop S 31 Floor and direction indicator at hall S 8 Anti-nuisance S 32 Up/down overrun and final limit protection S 9 Car ventilation,light automatically shut off S 33 Over speed protection device S 10 Power on re-leveling S 34 Remote monitoring and control O 11 Main floor shut off O 35 Car assign by emergency power source O 12 Anti-stall timer protection S 36 Remote control O 13 Start protection control S 37 Command registered canceling O 14 Inspection operation S 38 Intelligent call service O 15 Inching operation S 39 Hall out of service operation O 16 Safety stop S 40 Door opening time extending O 17 Self diagnosis of breakdown S 41 Light curtain + safety door edges O 18 Reopen door closing S 42 Open the door ahead O 19 Automatically adjust door opening time S 43 Voice announcement O 20 Reopen door closing S 44 The second car operation panel O 21 Express door closing S 45 Power-off emergency leveling O 22 Car stops and doors open S 46 Pre-load start O 23 Micro-touch button for car call and hall call S24 Car arrival chime S