Mackie 8-BUS Series, Руководство пользователя

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2-2
D i g i t a l 8 • B u s
Digital 8•Bus Description
6 V-Pot
This is a non-detented pot with no stop
(range >360 degrees), and a 12-segment LED
indicator collar. Each V-Pot controls a single
function at a time on its given channel. The
function is chosen in the V-Pot Select or Mas-
ter V-Pot section, and applies to all channels.
The default assignment is Pan (selected with
the PAN button in the Master V-Pot Section).
Other assignment options include eight mono
and two stereo Aux Send level controls, Digital
Trim controls, and Tape Send (LEVEL TO
TAPE) controls, all accessed in the V-Pot Se-
lect section.
7 Fader Bank Select LEDs
These LEDs indicate which bank is cur-
rently selected.
• If Bank 1 is selected (Channels 1–24), the
green LEDs light.
• If Bank 2 is selected (Channels 25–48), the
red LEDs light.
• If Bank 3 is selected (Channels 49–72), both
of the LEDs light.
• If Bank 4 is selected (Masters), neither of
the LEDs light.
8 SELECT button
The SELECT button LED lights solid green
when it is engaged. Select highlights only the
specific channel’s DSP parameters in the Fat
Channel’s Vacuum Fluorescent Display for edit-
ing. (See also Fat Channel in the Master Section
description on page 2-5.) It’s also used for cut,
copy, and paste operations and grouping assign-
ments.
9 SOLO button
The channel Solo button places the
channel’s signal on the stereo solo bus. This
signal is post-fader level (AFL) and post-pan by
default, but can be changed globally to pre-
fader by pressing the PFL SOLO button in the
Studio/Solo section.
If the MIXDOWN TO SOLO button is engaged
in the Studio/Solo Section, the soloed channel’s
signal is isolated on the main L-R bus.
bl MUTE button
Press this button to mute the signal post -
fader and prior to the output buses, including the
aux sends. MUTE doesn’t affect the signal going
to the Tape Outputs, the Solo bus, or the Aux
Sends if they are PFL-assigned. The MUTE but-
ton LED lights when the button is engaged.
bm
Fader
The channel fader track is 100mm in length,
with a dB level range from
∞
dB (bottom of
travel, fully off) to +10 dB (fully on). It does
not pass audio, but rather remotely controls
the channel level via DSP.
The faders are motorized and act as automa-
tion controllers when a channel is armed for
automated level recording using the channel
WRITE button or Auto Touch mode.
Each fader controls the level on one of the
24 mic/line channels (Fader Bank 1), one of
the 24 tape returns (Fader Bank 2), one of the
internal effects returns and alternate (ALT I/O)
returns (Fader Bank 3), and one of the Groups,
MIDI controllers, and Bus Masters (Fader
Bank 4). When switching from one Fader Bank
to another, the console remembers the indi-
vidual fader setting for each fader in each
Fader Bank.
bn Meter LED Ladder
The meters indicate pre-fader audio signal
level for each channel (1–48), and for the internal
effects returns and ALT returns. They indicate
post-fader levels for the BUS 1–8 Masters.
The audio level display is scaled in digital
dB FS (decibels full scale), where OL is +22 dBu,
–10 dB FS is +10 dBu, –15 dB FS is +5 dBu,
and minimum indication is –50 dB FS. Markings
screened next to the LED ladders are denoted
as –50 dB FS to OL. Markings are similar in
function to those of digital recorders.
Note: Typically, in digital recording devices
such as MDMs, HDRs or DATs, there is a built-
in overhead of 3 to 4 dB above the 0 dB FS mark,
to match the typical maximum unbalanced ana-
log console bus output level of +22 dBu.
TRIM
12
12
36
12
36
10
dB
30
20
10
40
5
5
U
60
50
FX 12
MIDI 4
MIC
0 60
-
20dB +40dB
LINE
ASSIGN
WRITE
MIC
REC/RDY
SELECT
MUTE
SOLO
12
36
OL
2
50
4
7
10
15
20
25
30
35
40
1
bn
2
3
4
5
6
7
8
9
bl
bm