AIRPLANE
OPERATIONS
MANUAL
EQUIPMENT
AND FURNISHINGS
OCTOBER 02, 2001
2-02-25
Page
1
Code
01
PASSENGER SERVICE UNIT
The Passenger Service Unit (PSU) provides the following services:
− Reading light with associated control button at each passenger seat.
− Passenger information sign informing the passenger of NO SMOKING
and FASTEN SEAT BELTS instructions.
− Pushbutton and indicator for attendant call.
− Air gasper for each individual passenger seat (refer to Section 2-14 –
Pneumatics, Air Conditioning and Pressurization).
− Oxygen Masks Dispensing unit (refer to Section 2-16 – Oxygen).
− Loudspeaker for internal communication.
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