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14. Operating mode of the AV or decoder interface
Twin
A:
Outp.
Ch12
Dual sound
Vol 3
Vid 2
Main menu
The setting is carried out via the control unit with the "+" or "-" key. The following operating modes are selectable:
"internal"
Video and audio signal are circuited together within the unit. By means of external switching voltages
(+12 V), e.g. from a decoder or a video recorder, the decoder interface can be switched over (interrupti-
on of the signal path within the unit).
Examples: – Operation with decoder
„external"
Signal path within the unit is interrupted, external breaking voltages have no effect. Intended for A/V
signal sources which cannot supply a switching voltage.
Both operating modes can be separately selected for video and audio.
Moreover, the status "Black screen" can be selected for the parameter "video." From version C00 also possible at
Twin B. A black screen can be produced from a received Sat TV signal, in order
to transmit Sat radio signals via a TV channel
to transmit audio signals fed-in via the A/V interface (e.g. CD-player), via a TV channel
Wiring of the Submin D connector
Pin
1
2
Signal
Audio
Comp.
input
colour
left
input;
Video
weighted
Mixed operation of UFO 340 with UFO 335/365 in older base and extension units
1) For the UFO 340, the upper adjacent channel is already pre-set once the lower channel is selected (forced adjacent
channel assignment).
In existing systems, the following situation can occur:
Channel 7
Channel 8
Occupied with
Should be
UFO 335
occupied
Solution with UFO 340:
Channel 7
Channel 8
Occupied with
UFO 340
UFO 335
One UFO 335 must be reprogrammed from channel 9 to channel 10. If only channel 8 is occupied, the corresponding
output signal of the UFO 340 must be disengaged.
2) When extending existing systems (equipped with the power supply unit, order no. 1681794) with UFO 340, take into
consideration, that the power supply unit has a reduced power consumption. Please observe the information regard-
ing the power consumption on the sticker on the power supply unit!
All manuals and user guides at all-guides.com
1744 MHz
224.25 MHz
7.02/7.20 MHz
AV
– Operation with video recorder or video camera
3
4
Video
Base-
Comp.
switching
band
colour
signal
output
output
0/12 V
Channel 9
Occupied with
UFO 335
Channel 9
UFO 340
***
Video
Audio
< Return:
5
6
7
Audio
Audio
input
switching
right
signal
0/12 V
Channel 10
Should be
occupied
Channel 10
UFO 335
UFO 340
internal
external
Submenu.. >
Submenu A/V
8
11
12
Earth
Earth
Audio
output
left
***
13
Audio
output
right
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