PRO MIC I/O
Vaddio PRO MIC I/O - Document Number 342-0569 Rev A
Page 9 of 16
System Configuration and Programming:
PRO MIC I/O:
The PRO MIC I/O has a rear dip switch for setting system wide parameters, to include front panel lockout and a
firmware update mode. In addition, each audio input channel has a 3-position dip switch for enabling phantom
power and high/low cut filters. Gain on the microphones can be set from the front panel rotary knobs for each
channel. Default position for the dip switches on the PRO MIC I/O is down.
Table 1: PRO MIC I/O System Dip Switch Configuration Settings
Switch Function
Description
1
Front Panel Lock
Out
This setting disables the four front panel rotary knobs for setting
audio input level on the integrated microphone preamp. Dip
switch 1 in the UP position disables front panel control
2
Firmware
Update Mode
This setting places the PRO MIC I/O in programming mode
allowing a firmware upgrade through the RS-232 Control Port.
Dip switch 2 in the up position places unit in firmware update
mode upon power cycle.
Table 2: PRO MIC I/O Channel Dip Switch Audio Settings
Switch Function
Description
1
Phantom Power
Enable
This setting enables 48VDC phantom power on the input channel.
Dip 1 in the up position enables phantom power for that channel.
2
Low Pass Cut
Filter Enable
This setting enables a low pass cut filter on the input channel with
center frequency at 14KHz. Dip switch 2 in the up position
enables Low cut channel filter.
3
High Pass Cut
Filter Enable.
This setting enables a high pass cut filter on the input channel
with center frequency at 120Hz. Dip switch 3 in up position
enables the High cut channel filter.
