SSM-1750 4-Channel Stereo Audio Mixer
(320-3008)                 Preparation                Faxback Doc. # 45072

WARNING: A sudden high output from the mixer could damage your hearing,
         especially if you use headphones, and might also damage the audio
         devices connected to the mixer's output.  Before using the mixer,
         make sure you set your receiver/amplifier's volume control to its
         minimum volume level setting.

         Before you connect the power cord, make sure you set POWER to off.
         And, to avoid sudden and unusable sound outputs from any audio
         devices that you connect to the mixer, be sure to have their power
         controls set to off (and any tone controls set to flat.)

Connecting The Outputs

To play the mixer's output signal through your sound system (for events
such as parties, dances, conferences, and so on), connect one end of an
audio patch cord (such as Radio Shack Cat. No. 42-2356, not supplied) to
the mixer's OUTPUT AMP L (white) and R (red) jacks, then connect the other
end to your receiver/amplifier's left and right input jacks (matching left
to left, and right to right).

To record the mixer's output signal connect one end of an audio patch cord
(Cat. No. 42-2356, not supplied) to the mixer's OUTPUT REC L (white) and R
(red) jacks, then connect the other end to your tape deck's left and right
line input jacks (matching left to left, and right to right).

Connecting Inputs

You can connect up to ten audio input sources (such as cassette tape decks,
CD players, tuners, two magnetic cartridge turntables, a camcorder or a VCR)
to the input jacks on the back of the mixer.  You can also connect micro-
phones to the appropriate jacks on the top and back panels.

CAUTION: Do not connect an audio source with a line-level output to the
         low-level PHONO 1, PHONO 2, or AUX MIC audio input jacks.

1.  Connect the line-level outputs from up to six audio sources to the
    LINE 1, LINE 2, LINE 3, LINE 4, LINE 5 and LINE 6 input jacks (matching
    left to left, and right to right).

2.  Connect the low-level outputs from up to two audio sources (such as mag-
    netic cartridge turntables) to the PHONO 1 and PHONO 2 input jacks
    (matching left to left, and right to right).

    NOTE: If you connect magnetic-cartridge turntables, connect their ground
          wires (usually black or green) to GND.

3.  Connect a sound effect device (such as an echo reverb or a digital sam-
    pler processor) to the EFFECT SEND (output) and EFFECT RECEIVE (input)
    jacks (matching left to left, and right to right).

4.  Connect a mono input source (such as a wireless microphone receiver) to
    the AUX LINE MONO jacks (matching left to left, and right to right).

Connecting Microphones

You can connect two microphone (not supplied) to the mixer.

Connect a microphone with an XLR plug to DJ MIC on the upper left corner
of the top panel.

Connect a microphone with a 1/4-inch (6.35 mm) plug to AUX MIC on the lower
right corner of the back panel.

Connecting Power

NOTE:  Before you connect the mixer's power cord, make sure power is turned
       off by pushing POWER out.

Connect the power cord to a standard AC outlet.

CAUTION: The power cord has a polarized plug that fits only one way into a
         standard AC outlet.  If the plug does not fit, turn it over so it
         fits properly.  Do not force it!

Connecting A Lamp

The mixer has a 12V/3W MAX LAMP socket for connecting a 12V/3W BNC lamp
(RSU Cat. No. 1143363) so you can see the control panel in dark or low-
light conditions.

CAUTION:  Use only a 12V/3W lamp.

Connecting Headphones

To listen in privacy or monitor the audio source inputs so you can locate
an exact passage or section before mixing it, connect a pair of stereo
headphones (not supplied) with a 1/4-inch (6.35 mm) plug to the PHONES jack
on the mixer's lower right top panel.

Your local Radio Shack store carries a wide selection of headphones.

Listening Safely

Do not listen at extremely high volume levels.  Extended, high-volume
listening can lead to permanent hearing loss.

To protect your hearing when you use headphones, always follow these guide-
lines to set the listening volume.

  Set CUE LEVEL to 9 before you begin listening.

  After you put on the headphones, adjust CUE LEVEL to a comfortable listen-
  ing volume level.

  Once you set the headphones' volume, do not increase it.  Over time, your
  ears adapt to the volume level, so a volume level that does not cause
  discomfort might still damage your hearing.


(br/EB 11/3/97)