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CHAPTER 2
The SIM 3 Hardware
The address can be changed using a small screwdriver or a pen.
Addr
+48v
Bus Pwr
Data
0
2.3.1.2. Microphone Inputs
The front panel has eight dedicated, 3-pin female XLR microphone inputs.
TIP: The 48 V phantom power for all eight inputs is always active when the
switcher is powered and the 48 V LED indicator is on.
In order to make measurements, the microphones need to be selected in the SIM 3 software
by constructing branches in the Branches dialog (by selecting Branch > Edit Branches).
Then select the address of the mic switcher you are using in the address box, and select the
desired mic channel as part of one branch.
NOTE: For connection diagrams please refer to “Section 2.3.3. SIM-3081
Microphone Switcher Connections."
2.3.1.3. LED Indicators
The blue LED above each XLR connector is a bus-select LED. If the LED is lit, then the signal
connected to that XLR is assigned to the “mic” bus of the Live Branch.
NOTE: The level of the selected channel can be monitored in the SIM-3022
analyzer. The front-panel Mic 1 meter will show the level of the signal on the
“mic” bus of the Live Branch, and the signal will be available on the headphones
output if Mic 1 is selected.
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