R 1EFF : 106-149, 211-299, 301-399, 1 23-36-00Page 64 1 1 May 01/05 1 1 1CES 1 In the VTR CONTROL area push the SEL membrane switch until the SEL/VTR display shows 1 and push the PLAY membrane switch. The VTR 1 12MH video program is shown on the SCU monitor.
(b)
To stop the preview, push the STOP membrane switch in the VTR CONTROL area.
(c)
To preview the VTR 2 13MH video program, push repeatedly the PREVIEV SELECT membranen switch until the PREVIEV SELECT display shows 2. In the VTR CONTROL area push the SEL membrane switch until the SEL/VTR display shows 2 and push the PLAY membrane switch. The VTR 2 13MH video program is shown on the SCU monitor.
(d)
To stop the preview function, push the MASTER POWER pushbutton switch.
C. Normal System Operation
(1)
General During normal system operation the VTR video program can be set for cabin presentation with or without audio sound through the cabin loudspeakers.
(2)
Activation
(a)
To set the VTR 1 12MH as the video source, push the SEL membrane switch in the ALL ZONES area until the VTR/AUX/SOURCE display shows 1. In the VTR CONTROL area push the SEL membrane switch until the SEL/VTR display shows 1 and push the PLAY membrane switch.
(b)
To show the VTR video program in the cabin, push the PWR/ON/OFF membrane switch in the ALL ZONES area. The HMDUs move down out of the hatracks and show the VTR 1 video program. The video sound comes over the headset connected to the PCU when channel 1 or 2 is selected.
(c)
To set the VTR 2 13MH as the video source, push the SEL membrane switch in the in the VTR CONTROL area until the SEL/VTR display shows 2 and push the PLAY membrane switch. Push the SEL membrane switch in the ALL ZONES area until the VTR/AUX/SOURCE display shows 2. The HMDUs show the VTR 2 video program.
(d)
To hear the video sound in the cabin via the cabin loudspeakers, push the PA/ON/OFF membrane switch.
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(e)
To change the video sound level from the cabin loudspeakers, push the arrow up membrane switche or arrow down membrane switche in the key pad section.
(f)
To cancel the video sound in the cabin loudspeakers, push the PA/ON/OFF membrane switch.
(g)
To stop the video presentation, push the the MASTER POWER pushbutton switch. The HMDUs move back into the hatracks.
D. Zone Control Function
(1)
General
The cabin can be divided in up to two zones.
(2)
Activation
(a)
To set the VTR 1 12MH as the video source in zone 1, push repeatedly the SEL membrane switch in the VTR CONTROL area until the SEL/VTR display shows 1 and push the PLAY membrane switch.
(b)
To show the VTR 1 video program in the zone 1, select following configuration via the on screen menu with the arrow up and arrow down, and the SEL and the ENTER membrane switches: ZN: 1 SRC:VTR 1 PA: 0 PWR:ON The HMDU in zone 1 move down out of the hatracks and show the VTR 1 video program. The video sound comes over the headset connected to the PCU when channel 1 or 2 is selected.
(c)
To set the VTR 2 13MH as the video source in zone 2, push repeatedly the SEL membrane switch in the VTR CONTROL area until the SEL/VTR display shows 2 and push the PLAY membrane switch.
(d)
To show the VTR 2 video program in the zone 2, select following configuration via the on screen menu with the arrow up and arrow down, the SEL and the ENTER membrane switches: ZN: 2 SRC:VTR 2 PA: 0 PWR:ON The HMDU in zone 2 move down out of the hatracks and show the VTR 2 video program. The video sound comes over the headset connected to the PCU when channel 1 or 2 is selected.
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E. Rapid Decompression
(1) In the event of a rapid cabin decompression a ground signal from the
cabin decompression sensor is sent to the SCU. The SCU then controls
the retraction of all the retractable HMDUs. The video program heard
over cabin loudspeakers is cancelled until the emergency announcement
is finished.
R **ON A/C 151-199,
R A. Energization
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