Focus 70 Live Highly Affordable HD System Camera User’s Guide (v1.1)
47
Chapter 4 - Operating instructions
4.9 Connecting audio
4.9.1 Analog audio
Set the gain levels (-22 dB to -64 dB for mic input level or +4 dBu to -10 dBu for line level) for
these channels in the
AUDIO
section of the
CONFIGURATION
menu. A high-pass filter for each
channel can also be switched on in this menu.
The channel 1 input socket selection switch selects either:
•
the Mic connector at the front-right (Front) of the camera, or
•
the
Audio 1
connector at the rear of the adapter (Rear)
as the input for audio channel 1.
☞
Note
☞
Note
The front microphone input has a fixed input sensitivity of -40 dB while a phantom power of
+48 VDC is always present on the socket.
The audio channel 1 and 2 level switches select either a line level input (Line), a microphone
level input (Mic) or a microphone level input with phantom power (+48 VDC) for channel 1 and
2 rear connectors (
Audio 1
and
Audio 2
). Audio channels 1 and 2 are available on the
audio
output 1 and 2
connectors (XLR 3) at the Base Unit.
These (analog) audio channels are also available as converted digital outputs on the
digital
audio output (1+2)
BNC connector on the Base Unit and as audio channels 1 and 2 embedded
in the HD-SDI video signal.
4.9.2 Digital audio
Two digital audio channels are available with the AES signal. Set the
An VF Out/AES in
switch
to
AES in
and connect an AES digital audio source to the
An VF Out/AES in
connector (top left
BNC connector).
Digital audio channels 3 and 4 are available on the
digital audio output (3+4)
connector on the
Base Unit and as embedded audio channels 3 and 4 in the HD-SDI video signal.
Audio 1 audio
connector
Audio 1 level
switch
Channel 2 audio
connector
Audio 2 level
switch
Channel 1 input socket
selection switch
Summary of Contents for Focus 70 Live
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Page 18: ...18 Focus 70 Live Highly Affordable HD System Camera User s Guide v1 1 Chapter 1 Introduction ...
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