SoundPals DMIC-24, User Manual

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DMIC-24 User Guide
Page 6
DMIC-24 Operation
This section provides instructions for adjusting microphone sensitivity.
Adjusting Microphone Sensitivity
Each microphone has its own set of eight SENSITIVITY DIP switches on the front panel.
Switches (instead of potentiometers) allow you to match settings between the two channels
easily, as well as repeat recordings using specific settings when necessary.
1 2 3 4 5 6 7 8
-60 -50 -40 -30
1 2 3 4 5 6 7 8
-60 -50 -40 -30
Left Mic
Sensitivity
Adjustment
Right Mic
Sensitivity
Adjustment
Note the following important points regarding the DIP switches:
•
A sensitivity setting is selected by toggling the appropriate DIP switch downwards.
•
Higher sensitivity settings take precedence over lower ones (e.g., if both the -60 dB and
-40 dB settings are toggled down, the -60 dB setting overrides the -40 dB setting).
TIP If you switch between two mics with different sensitivities, switching can be
accomplished by moving just the higher sensitivity switch.
•
Minimum sensitivity occurs when no switches are down.
•
When using a stereo pair of microphones, ensure that both channels are set to the same
sensitivity.
To set the left and right microphone sensitivity:
1. If an input is not used, set sensitivity to minimum.
2. Have your announcer give a steady, normal voice level.
3. While
watching the Level LEDs , adjust the appropriate set of SENSITIVITY switches,
until the associated -20 dB LED comes on regularly, and the -3 dB LED comes on rarely.
If the 0 dB LED comes on, back off the sensitivity.
DMIC-24 Interconnection
This section provides basic and advanced interconnection diagrams.
•
Basic — Analog Mic Input to Digital Mixer
Connect analog mics to the DMIC-24, and the DMIC-24’s AES output to a digital mixer.
D/ESAM Mixer
Digital Sources
Analog
Mics
Program Out Digital In
SoundPals DMIC-24
AES Out
AES Ref
Right In
Left In
PWR
Sensitivity
AES Out
Note how one of the mixer’s outputs is used to synchronize the DMIC-24 (via the AES
REF connector).