Optimus SSM-1250 Music Mixer User Manual


 
14
13. Slowly slide up the
CH 3
volume
level slide control until you get a
reading of up to
0
on both VU
meters.
Im
p
ortant:
Write down or remem-
ber the
CH 3
volume level slide
control’s setting for the selected
audio source, so each time you
want to mix that source you can
slide the
CH 3
volume level slide
control to the correct setting.
Note:
If it was necessary to set
the
CH 3
volume level slide control
all the way to
10
in order to get a
reading of up to
0
on the VU
meter, then slide
CH 3
down to
about
8
and rotate
MASTER
clock-
wise until you get the reading of
0
on the VU meters.
14. Stop playback of the selected in-
put source.
15. To preset the
LINE 4
input source,
set
LINE 3/LINE 4
to
LINE 4.
Then
repeat Steps 12–14.
Note:
If you have to readjust
MAS-
TER
when performing Step 13, re-
member that this affects the level
of the previously preset input
sources. You must readjust those
sources until you get a reading of
up to
0
on the VU meters for each.
illustration of CH 3 control
16. To prevent prematurely mixing au-
dio sources, set all volume level
slide controls to
0
.
Checking the Sound
1. Select one of the input sources,
then start playback of the selected
source.
2. Set the volume level slide control
to the position you determined
during presetting. The VU meters
should show a reading of up to
0
dB.
3. Turn up the receiver/amplifier’s
volume until it reaches the desired
level for the location or event
where the mixer will be used (this
can vary).
4. Adjust
BASS
,
MID
, and
TREBLE
to
get the desired sound (see “Using
the Tone Controls” on Page 18).
Note:
If adjusting
BASS
,
MID
, and
TREBLE
causes the VU meters to
exceed
0
dB, rotate
MASTER
counterclockwise until the read-
ing returns to
0
. Then adjust your
output device (amplifier) volume
accordingly.
5. Stop playback of the selected in-
put source.
Note:
Do not adjust
MASTER
after
checking the sound.
32-3009.fm Page 14 Tuesday, August 10, 1999 8:31 AM