B. Priority Test of the Video, Audio and the Announcement NOTE : The Boarding Music (BGM) has a lower priority than the video.
____ Therefore the video sound must be switched off during the following test.
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(1) Do the test first for the VTR 2 13MH and then for the VTR 1 12MH.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the Forward Attendant Panel (FAP) 120RH, music section: On the FAP 120RH, music section:
- push the MUSIC ON/OFF membrane switch. - the integral light of the MUSICON/OFF membrane switch comes on, - the channel 1 is shown on the BGM
channel display.
At the same time in the cabin:
- the BGM is heard from the
loudspeakers.
2. On the SCU 11MH, MANUAL CONTROL board: On the SCU 11MH, MANUAL CONTROL board:
- push the PA ON/OFF membrane switch. - the LED of the related PA ON/OFFmembrane switch comes on.
3. On the SCU 11MH, VTR CONTROL area: On the SCU 11MH, VTR CONTROL area:
- push the PLAY membrane switch. - the LED of the related STOP membrane switch goes off, - the LED of the related PLAY membrane
switch comes on .
On the VTR 2 13MH:
- the LED in the STOP membrane switch
goes off, - the LED in the PLAY membrane switch
comes on.
At the same time in the cabin:
- the BGM is cancelled, - the VTR 2 / track 1 sound is heard from the loudspeakers, - all HMDU 100MH show the VTR 2 video
program.
4. On the SCU 11MH, ALL ZONES area: On the SCU 11MH, ALL ZONES area:
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
-push the SEL membrane switch again and again for the selection of the VTR, 2 and SEC.
5. On the SCU 11MH:
-push the arrow up or arrow down membrane switches.
6. On the FAP 120RH, PRERECORDED ANNOUNCEMENT section:
-
push the '1' membrane switch,
-
push the ENTER membrane switch,
-
push the '2' membrane switch,
-
push the ENTER membrane switch,
-
push the '3' membrane switch,
-
push the ENTER membrane switch,
-
push the START ALL membrane switch.
7. On the FWD attendant station LH:
-lift the handset from the
cradle,
-push the PTT pushbutton switch,
-make an announcement.
-
the VTR and the SEC indicators comeon and the display shows 2.
At the same time in the cabin:
-
the VTR 2 / track 2 sound is heard from the loudspeakers.
In the cabin:
-
the volume of the VTR 2 program soundchanges.
In the cabin:
-
the VTR 2 / track 2 video sound is cancelled,
-you hear the prerecorded announcements from the loudspeakers and from all PCU on all channels.
At the same time the VTR 1 12MH goes in PAUSE MODE:
On the FWD Attendant Indication Panel (AIP) 320RH:
-
the # symbol comes on,
-
the # symbol goes off.
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
8. On the FWD attendant station LH:
-release the PTT pushbutton switch and put the handset back into the cradle.
9. On the FAP 120RH, PRERECORDED ANNOUNCEMENT section:
-
push the STOP membrane switch.
On the FAP 120RH, MUSIC section:
-
push the MUSIC ON/OFF membrane switch.
10. In the cockpit, on panel 21VU:
CAUTION : DO NOT PUSH IN THE
_______ "MASK MAN ON" PUSHBUTTON SWITCH 14WR FOR MORE THAN 5 SECONDS.
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