Monitor; Line Out (Level); Mute; Left/Right/Center Meters - Mackie SR40.8 Owner's Manual

MONITOR

MONITOR signals are a line-level equivalent
of the HEADPHONES output. The TRS
MONITOR
outputs are designed for special
situations such as these:
You can use these jacks to deliver the FOH
(front-of-house) headphone mix to an engineer
operating a secondary stage monitor console.
If you want to drive several pairs of head-
phones via an outboard amplifier, patch these
outputs to that amp.
If the console is in a soundproof room, as in
live sound-studio work or studio recording/
mixdown, patch the MONITOR
your control room amplifier and speakers.

LINE OUT (LEVEL)

Point Before: INSERT (HEADPHONES)
Point After: MONITOR
Just like the HEADPHONES, the MONI-
TOR outputs always receive the LEFT/RIGHT
mix, with the CENTER mix blended into each
side. This control sets the level for those sig-
nals, and it follows the PHONES level control,
meaning that the level at these outputs is con-
trolled twice — by the PHONES level and by
the LINE OUT control.
SOLO signals to the MONITOR outputs are
controlled by SOLO LEVEL and this MONITOR
LINE OUT level — the PHONES level has no
effect on SOLO signals. This is so you can
tailor the "mix level" (non-SOLO signals) and
the SOLO LEVEL independently.

MUTE

This switch is your garden-variety DPDT
(double-pole, double-throw) switch. Engage it
and the line-level MONITOR outputs become
silent. The MONITOR MUTE is not a member
of the ULTRA MUTE
™ system and therefore
cannot be remotely controlled.
TAPE RETURNS
U
U
+15 +15
O O O O
LEVEL LEVEL
MUTE MUTE
SOLO SOLO
TAPE A TAPE B
outputs to
.
outputs.
RUDE
SOLO LIGHT
U
+15
O O
LINE OUT
PFL
AFL
INPUTS
PFL
MUTE
AFL
OUTPUTS
MONITOR SOLO

LEFT/RIGHT/CENTER METERS

These individual Meters give you constant
visual information about the signal level in
that mix. With the METERING: OUTPUT
SECTION PFL/AFL
the Meters display the pre-Fader signal of the
mix. With the switch down, the Meters display
the post-Fader output of the mix.
These three Meters, unlike the other fifty-
six, have a secondary purpose — to display
SOLO levels. Whenever SOLO is engaged, all
three Meters' inputs change from the LEFT/
CENTER/RIGHT mix signals to the SOLO sig-
nals. The PFL SOLO signal will appear on the
CENTER Meter and the AFL signals appear on
the LEFT/RIGHT Meters.
A 0dB reading on the Meters represents a
0dBu output signal, when the METERING:
OUTPUT SECTION PFL/AFL
engaged (AFL). In other words, 0VU=0dBu.

METERING

INPUT SECTION PFL/AFL

This switch determines the Meter's source
signal for the Channels and the MAIN AUX
RETURN (A1–A4). With the switch up, in
PFL mode (Pre-Fader Listen), signals are
sent to the Meters pre-Fader, pre-MUTE, and
pre-PAN. In fact, in PFL mode, these Meters
may save you the time of having to use SOLO,
if all you need is a signal confirmation. With
the switch down, in AFL mode, signals will be
sent to the Meters post-Fader, representing
the output of the circuit.
With this switch set to PFL, you can
perform on-the-fly TRIM
explained in the Turbo Method of the Level-
Setting Procedure
DIMMER
LOW MAX LOW MAX
LAMP METER
switch set to PFL (up),
switch is
settings, as
.
METERING
INPUT OUTPUT
SECTION SECTION
V.+
PFL PFL
AFL AFL
37
POWER SUPPLY
STATUS
V.- 5 V 12 V 48 V