Flash XDR User’s Manual
Audio
In (Embedded / Analog)
This menu option allows the user to select between embedded HD/SD-SDI audio input or the
analog audio inputs (on the right side of the Flash XDR).
Out [] Bal [] HdPh
This menu option enables analog audio outputs (embedded SDI audio output is always
enabled). If the user selects (checks) “Bal”, then the 5-pin two channel analog audio output is
enabled. If the user selects “HdPh”, then the 3.5mm unbalanced headphone jack is enabled.
Both can be selected at the same time.
Analog Settings
This menu option lets the user specify more detailed audio settings.
Note: Analog audio input is not active unless there is also a valid video source.
Src (Line / Mic)
This is the source selection for the analog audio channels 1 and 2, the user can
individually select between Line level (Line) or Microphone level (Mic) inputs. If the
selected source is “Line”, the phantom power is automatically turned off.
Phantom (off/on)
If you are using a +48V phantom powered microphone on an input channel, then you
should turn on phantom power on that channel. Otherwise it must be off to prevent
damage to your equipment. If in doubt, leave it off. Never use phantom power on a
wireless microphone receiver, a ribbon microphone or a T-Powered microphone or for
a 12 Volt microphone.
When the message “48V to Mic on ChX?” appears, if you want +48V phantom power
on, confirm by pressing the Center Key twice. Otherwise press the STOP button to
cancel.
Mic Gn 1 (xx)dB 2(xx)dB
The user can also choose the gain with the microphone input, in a range of 10-65dB.
(Generally, most microphones require a gain of 30 to 50 dB for proper levels).
Additionally, Mic gain levels can also be adjusted during a record session. Pressing
<F1> and <F4> will enable channel 1 or 2 to be adjusted (and produce arrow symbols
on the status line), and the gain level is displayed during a record session. Use the up
and down arrow keys to adjust selected Mic channels during record.
Note that the Gain is always fixed at 0dB (unity gain) for line level inputs. If the selected
input is “Line”, then an error message will appear “Line input on ChX” if the gain or
phantom power is attempted to be adjusted.
Audio Channels Recorded: 0, 2, 4, or 8 channels. (ver1.5.25)
Audio Channels Monitoring: Choose audio channels to monitor on headphone output: 1
and 2, 3 and 4, 5 and 6, or 7 and 8. (ver1.5.55)
Convergent Design, Inc 16
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