Overview
AirCleaner
®
is a solid-state, all-digital video and audio
delay machine for use in live-to-air television broadcasts.
AirCleaner
®
is designed as a protection against "wardrobe
malfunctions", spoken profanities, or any type of
unwanted broadcast content. AirCleaner
®
offers multiple
operating modes with the ability to mask video offenses
with an auxiliary safe video source or a defocused live
image. AirCleaner
®
will mask audio offenses with an
auxiliary safe audio source or a mute.
AirCleaner
®
can be operated with either one or two
screeners (operators that censor the live audio/video
feed). In the case of two-screener operation, the total
program delay internal to AirCleaner
®
can be divided
between the two users (in any proportion desired).
AirCleaner
®
operates in either High-Definition (HD) or
Standard-Definition (SD) digital video, with all of the
popular video formats supported. AirCleaner
®
is equipped
with 2 SD/HD SDI video inputs, 2 SD/HD SDI video
outputs and has 1 analog reference input. AirCleaner
®
handles 8 channels (4 stereo pairs) of AES/EBU audio
for each of the 2 video I/O streams. AirCleaner
®
can also
utilized embedded audio in the SDI I/O streams.
Note:
In SD 525 and 625 operation, AirCleaner
®
supports only
4-track (2 stereo pairs) of embedded digital audio, as defined by
SMPTE specification.
AirCleaner
®
also features a single stereo analog audio
monitoring output on a 3.5mm jack.
AirCleaner
®
comes in four configurations:
•
ACL-A
— Max Delay 5sec(HD), 34sec(SD)
•
ACL-B
— Max Delay 10sec(HD), 68sec(SD)
•
ACL-C
— Max Delay 35sec(HD), 68sec(SD)
•
ACL-D
— Max Delay 70sec(HD), 68sec(SD)
Options
All AirCleaner
®
models support the Redundant Power,
Panic Button Control Panel, and Panel Button Y Cable
options.
Redundant Power Supply
This option provides an additional power supply to guard
against complete system failure in the event of a single
power supply failure. Both power supplies operation in
a load sharing configuration but AirCleaner
®
will run on
a single power supply. In the event that one of the power
supplies fails, the remaining operational power supply
will automatically take over the complete power load.
Panic Button Control Panel
The Panic Button Control Panel provides a simple
two-button interface (one button for Video, the other for
Audio) that sits on a desktop and is connected to the
AirCleaner
®
chassis via a DB9 cable.
The Panic Button Control Panel is used to trigger the
video and/or audio mask in the event of a visual or aural
offense. Pressing the specific button (
AUDIO
or
VIDEO
)
will tell AirCleaner
®
to mask the content according to
how the AirCleaner
®
is programmed. The masking will
continue for the duration the button is held down.
The Panic Button Control Panel communicates to the
AirCleaner
®
chassis over a standard GPI connection. The
Panic Button Control Panel ships with a 33-foot shielded
cable for connection to the GPI connector on the
AirCleaner
®
chassis.
Panic Button Control Panel Y-Cable
AirCleaner
®
can be operated in a two screener mode that
requires a second Panic Button Control Panel. This
customized Y-cable is required to connect two Panic
Button Control Panels to the AirCleaner
®
chassis. The
Y-cable is connected to the rear of the AirCleaner
®
chassis and then the control cables for each of the two
Panic Button Control Panels are connected to the Y-cable.
Abekas AirCleaner User Manual (v3.5) — Overview •
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