The fasten seat belt signs also come on when the flight crew sets the seat belts selector to AUTO and any one of these conditions occur:
*
Passenger oxygen is deployed
*
The landing gear is not up and locked
*
The flap lever is not in the retracted position
*
Airplane altitude is below 10,300 feet (input from the configuration database)
*
Cabin altitude is above 10,000 feet.
The fasten seat belt signs also come on if the passenger oxygen is deployed.
Return to Seat
The return to seat signs in the lavatories come on when the fasten seat belt signs come on. They do not come on if passenger oxygen is deployed.
No Smoking
The no smoking signs come on when the flight crew sets the no smoking selector on the flight deck passenger signs module to ON.
The no smoking signs also come on when the flight crew sets the no smoking selector to AUTO and any one of these conditions occurs:
* Passenger oxygen is deployed
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PSS -PASSENGER INFORMATION SIGN LOGIC
*
The landing gear is not up and locked
*
Cabin altitude is above 10,000 feet.
The no smoking signs also come on if the passenger oxygen deploys.
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PSS -OPERATION -CABIN CONTROLS MAIN MENU SCREEN
General
Attendants use the cabin controls main menu on the cabin system control panel (CSCP) or cabin area control panels (CACPs) to select screens that control PSS functions. Touch any one of these to show PSS related screens:
*
LIGHTING
*
SERVICE CALL/CHIME CONTROL
*
SMOKING ASSIGNMENTS.
Access
Touch CABIN CONTROLS on the CSCP main menu to show this screen.
On the CACP, the cabin controls main menu is the highest level menu. It shows automatically when you apply power to the CSS.
The CACPs do not have the EXIT selection.
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PSS -OPERATION -LIGHTING MENU SCREEN
General
Attendants use the lighting menu on the cabin system control panel (CSCP) or cabin area control panels (CACPs) to select the reading lights control screen.
Access
Touch the LIGHTING selection on the cabin controls main menu to show this screen.
Controls and Indications
Touch READING LIGHTS to show the screen you use to control passenger reading lights.
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PSS -OPERATION -LIGHTING MENU SCREEN
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PSS -OPERATION -READING LIGHTS SCREEN
General
You use the reading lights screen to control the passenger reading lights.
Access
Touch LIGHTING on the cabin controls main menu. Then touch READING LIGHTS to show the reading lights screen.
Controls and Indications
Use the left and right arrows to select the cabin area. The space between the arrows shows the selected cabin area description.
Use the selections below the cabin area description to control the reading lights.
Latched Mode Operation
Touch NORMAL to let the passengers control their reading lights.
Touch OFF or ON to turn all reading lights in the selected area off or on. The screen selection shows green and the reading lights stay in the commanded mode until you make another selection.
Momentary Mode Operation
Touch ON or OFF to turn all reading lights in the selected area on or off. The screen selection changes to green for one-half second and the reading lights go to the commanded mode.
After one-half second, passengers can control their reading lights and the NORMAL selection on the panel changes to green.
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PSS -OPERATION -READING LIGHTS SCREEN
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PSS -OPERATION -SERVICE CALL/CHIME CONTROL MENU SCREEN
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