Optimus SSM-1250 User Manual

Page of 24
10
OPERATION
1. Set the volume levels on the out-
put devices (receiver/amplifier and
tape deck) to minimum and turn
them on.
2. Press 
POWER
 to turn on the mix-
er. The red power indicator lights.
3. Turn on the input sources you
want to mix.
4. Using the mixer requires two basic
operations:
• Presetting the input signal lev-
els (see “Presettiing the Input
Signal Levels”)
• Mixing the audio input sources
(see “Mixing the Inputs” on
Page 15)
5. After you finish mixing, turn down
the volume on the output audio
devices, turn off the input and out-
put audio devices (amplifiers, tape
decks, and so on), then press
POWER
 so it pops up to turn off
the mixer. The power indicator
turns off.
illustration of POWER
button w/indicator lit
PRESETTING THE INPUT 
SIGNAL LEVELS
To avoid accidentally overdriving a
channel or prematurely mixing in an
audio input source, make sure you
start with the following settings:
• Volume slide controls set to
 0
ASSIGN A
 and 
ASSIGN B
 set to
OFF
MIC TREBLE
MIC BASS
CUE LEV-
EL
TREBLE
MID
BASS
, and
MASTER
 set to 
0
illustration
illustration
illustration
32-3009.fm  Page 10  Tuesday, August 10, 1999  8:31 AM