GRASS VALLEY LDK 8300 -, User Manual

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46 LDK 8300 High-speed HD camera User’s Guide (v4.0)
Chapter 4 - Operating instructions
4.7.3 Using audio
On the camera adaptor, two high quality analog audio channels and two AES/EBU digital audio
channels are available.
Analog audio channels
Set the gain levels (-22 to -64 dB) for these channels in the
AUDIO
section of the
INSTALL
menu. A high-pass filter for each channel can also be switched on via this menu.
The channel 1 input socket selection switch selects either:
• the socket at the front-right of the camera, or
• the Mic 1 audio channel 1 connector at the rear of the adapter
as the input for channel 1.
The rear input level switch selects either a line level input or a microphone level input for the
channel 1 rear connector. The line level input sensitivity is 32 dB lower than the microphone
input sensitivity.
The switch under the Mic 1 socket selects a phantom power supply (48 V) for the rear socket.
Phantom power (48 V) is always present on the front-right microphone socket.
Figure 4-7. Audio channel switches
The channel 2 rear input level switch selects either a line level input or a microphone level input
for the channel 2 rear connector (
Mic 2 ). The switch under the Mic 2 socket selects a phantom
power supply (+48 V) for the rear socket.
Audio channels 1 and 2 are available on the audio output 1 and 2 connectors (XLR-3) at the
Base Station. Additionaly, these channels are available as digital outputs on the digital audio
output (1+2) connector (BNC) at the Base Station and as embedded audio channels 1 and 2 in
the HD-SDI video signal.
Digital audio channels
Two AES/EBU digital audio channels are available. Set the VF connector signal selection switch
to
AES In and connect a digital audio source to the VF connector.
Digital audio channels 3 and 4 are available on the digital audio output (3+4) connector (BNC)
at the Base Station and as embedded audio channels 3 and 4 in the HD-SDI video signal.
Mic 2
Mic 1
+48V
+48V
Mic.
Mic.
Line
Line
Front Rear
Audio channel 1
connector
Channel 1 phantom
power switch
Audio channel 2
connector
Channel 2 phantom
power switch
Channel 1 input socket
selection switch
Rear input level selection
switch (channel1)
Channel 2 input level
selection switch