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If an optional 130V DPA preamplifier card is installed, the input selection will choose which physical con-
nector is routed to the preamplifier. The options are: 48V (3 pin XLR) and 130V (4 pin XLR). Note: Ribbon
mic mode is unavailable on any channel that has the 130V option installed.
GRoUP MoDe
The Group mode allows two
to eight adjacent channels to
be grouped together for gain
change operations, which can
be very convenient when using
stereo pairs or groups of micro-
phones on one instrument. To
enter group mode, push the
GRoUP pushbutton. The words "Group Mode Active" will appear just below the gain status characters.
To define a group, place the cursor on the left most channel of the channels to be grouped and turn the
DATA knob clockwise while pressing the GRoUP pushbutton. you will notice that the vertical dividing
lines between channels disappear as channels are added to a group (see figure 5 below).
once in Group mode, gain changes are made in the same manner as in normal Channel select mode. To
remove a group, place the cursor on the right most channel of the channels in the group and turn the
DATA knob counter clockwise while holding the GRoUP pushbutton. you will notice that the vertical
dividing lines between channels reappear as channels are removed from a group.
Note: Groups are limited to adjacent channels only and groups cannot span between preamplifier units.
Also, only gain can be adjusted when in Group mode. To toggle the status of Phantom power or Phase
on a channel, you must exit Group mode.
FRonT PAneL LoCKoUT MoDe
The front panel controls on an
individual m802 can be locked
to prevent unintended chang-
es to its settings. Preamplifier
settings can still be controlled
from the RCU or via MIDI. To ac-
tivate lockout mode, press and
hold the DATA knob for 5 sec-
onds. When in Lockout Mode,
the words "interface locked" will appear on the LCD display (see figure 6 below). To exit lockout mode,
press and hold the DATA knob for 5 seconds. The m802 will return to normal front panel control. note
that the m802 lockout mode can only be activated at the preamplifier front panel or via MIDI. Lockout
mode cannot be activated from the RCU.
MIDI ConTRoL MoDe
When the m802 detects activity on its MIDI input port, it will switch to MIDI Control mode. In this mode
the m802 will emulate the Digidesign® pre microphone preamplifier. In Pro Tools® the mic pre controls
/
group mode
figure 5
figure 6 / lockout mode
15
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