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Controls and Functions
Owner’s Manual 9
Controls and Functions
Front Panel
1[INPUT] Connectors 1–32 {1–16}
These are the XLR-3-31 type analog balanced
connectors for the input channels. The input level
range is from –62 dBu to +10 dBu. +48V phantom
power can be supplied to devices that require it via the
input connectors.
2[+48V] Indicators
These indicators light when +48V phantom power is
turned ON for the corresponding input channels.
On/off switching is controlled from this unit’s front
panel display, or from a compatible digital mixer. No
phantom power will be supplied, however, if the
[+48V MASTER] switch is OFF, even if phantom
power to individual channels is turned ON (the +48V
indicators will flash). If a serious error occurs in this
unit, the indicators of all channels will light or flash.
CAUTIONS:
If phantom power is not required, you must turn OFF the
+48V MASTER switch or the phantom power setting.
When turning phantom power ON, make sure that no
equipment other than phantom-powered devices such as
condenser microphones are connected to the
corresponding [INPUT] connectors. Applying phantom
power to a device that does not require phantom power can
damage the connected device.
Do not connect or disconnect a device to an INPUT while
phantom power is applied. Doing so can damage the
connected device and/or the unit itself.
To prevent possible damage to speakers, make sure that
power amplifiers and/or powered speakers are turned OFF
when switching phantom power ON or OFF. We also
recommend setting all digital mixing console output
controls to minimum when turning phantom power ON or
OFF. Sudden high level peaks caused by the switching
operation can damage equipment as well as the hearing of
those present.
3[SIG] (Signal) Indicators
These indicators light green when the signal applied
to the corresponding channel reaches or exceeds
–40 dBFS.
If a serious error occurs in this unit, the indicators of
all channels will light or flash.
4[PEAK] Indicators
These indicators light red when the signal level of the
corresponding channel reaches or exceeds –3 dBFS.
If a serious error occurs in this unit, the indicators of
all channels will light or flash.
5Display
This shows information such as the parameter values
of each port’s head amp, or error and status
indications.
6 (DEC) button / (INC) button
Use these to move the cursor within the display.
7Encoder with switch
By turning this you can edit a parameter value shown
in the display. By pressing the encoder you can select
or confirm a setting, or switch the display.
8Power Indicator
Lights when AC power to the unit is ON.
1 5 697
A
0
B
3
2 3 4 8
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