OVERHEAD ANNUNCIATOR PANEL Flashcards
Which messages are in BLUE?
Blue Advisory Lights
What’s EOAP and OAP?
ELECTRONIC OVERHEAD ANNUNCIATOR PANEL
OVERHEAD ANNUNCIATOR PANEL
How many -AMBER- messages fit into the SYSTEM DISPLAY SCREENS?
12
When a message appears on the SDS, what other light comes on?
System related CUE LIGHT flashes 4 times
What other lights come on when one of the RED WARNING LIGHTS comes on on the SYSTEM ALERT MESSAGE screen?
MASTER WARNING LIGHT
Are there any other conditions, except the illumination of the RED WARNING LIGHTS on the SYSTEM ALERT MESSAGING display that will make the MASTER WARNING LIGHTS to illuminate?
No
When a message appears in amber on the SYSTEM STATUS display, what other light(s) will illuminate?
Relate system CUE LIGHT
Amber MASTER CAUTION lights
On the MASTER DISPLAY SCREEN, amber messages appear in order of importance or occurrence?
Order of occurrence
If more than 12 messages are displayed in amber on the MESSAGE DISPLAY SCREEN, what lights can you also expect to see?
A “SCROLL PUSH BUTTON” arrow
“MISC” cue light
Where can you find all the messages that are available for display on the “MASTER DISPLAY SCREEN”?
On the “WARNING SYSTEM TAB”
On the MESSAGE DISPLAY SCREEN, how do you recall messages that are off screen?
By pressing and holding illuminated CUE BUTTON
When are all door messages inhibited?
When the PARKING BRAKE is set
When the PARKING BRAKE is set and all door messages are inhibited, what indication do you have that a door is still open and how can you determine which doors are open?
The DOOR CUE light remains illuminated.
By pressing the DOOR CUE light
How many channels or processors control the OAP screens?
One for each screen
If a fault is found when the OAP CHANNELS/PROCESSORS are comparing each other’s inputs, what other light can you expect to see?
The “MON “ CUE LIGHT
When does the “MON “ CUE LIGHT indicate?
A fault exists in the OAP Monitor ANNUNCIATOR system
If the “MON” CUE LIGHT comes on, how do you identify the discrepancy?
Pressing the MON light will identify the discrepancy on the OAP screen
What can you expect if an OAP screen becomes inoperative?
2
“OAP SINGLE SCREEN OP” message will appear on the operating OAP screen
Messages will transfer to the operating screen.
“SCROLL BUTTON” may appear if there are more messages that will fit in one screen
If one MESSAGE DISPLAY SCREEN is inoperative and some messages are displayed off screen because there’s not enough room on the operating screen, what other lights can you expect to see?
Any messages displayed off screen will illuminate the associate system CUE LIGHT (elec, eng, misc)
SCROLL BUTTON (arrow) will be in view
How do you test the OAP screens?
A switch on the right side of the overhead panel
What is the only light on the OAP panel that can not be dimmed by using the PULL TO DIM knob?
“DOOR “ CUE LIGHT
