50 LDX 86 HS/XS HiSpeed/XtremeSpeed HD camera User’s Guide (v1.0)
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.
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 XCU.
These (analog) audio channels are also available as converted digital outputs on the digital
audio output (1+2) BNC connector on the XCU 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
XCU 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
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