SSM-60  (320-1214)             Operation               Faxback Doc. # 15476

Using Headphones

To listen in privacy or monitor the audio source inputs so you can locate
an exact passage or section before mixing it, plug a pair of stereo
headphones (not supplied) with a 1/4 inch plug into PHONES on the mixer's
lower right front corner.  The 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.  Follow these guidelines to
protect your hearing, especially when you use headphones.

    Always start by setting the volume to the lowest level possible before
    you begin listening.

    Put the headphones on, then gradually increase the volume as necessary.

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

CAUTION:  As you begin to mix, be careful not to get into the habit of
          always increasing volume levels to achieve the proper balance.
          You can bring high levels down just as easily as you can bring
          low levels up.  Listening at excessive volume levels will soon
          give you "tired ears" and you won't be as pleased with the
          finished project later.

USING THE CONTROLS

Turning on the mixer

1.  Set POWER ON/OFF to ON to turn on the mixer's power.  The VU meter's
    indicator lights.

    NOTE:  To avoid a possible popping sound, always turn on the mixer
           before you turn on the amplifier.

2.  Turn on the output amplifier and temporarily set its volume to the
    minimum setting.

3.  To monitor the audio input sources so you can decide when to mix in
    each input, see "Monitoring the Inputs."

    To mix the audio input sources so you can play them through the
    amplifier system or record them on the tape deck, see "Mixing the
    Inputs."

Monitoring the Inputs

You can monitor the audio input sources so you can decide when to mix in
each input.

Follow these steps to monitor the audio input sources.

1.  Perform Steps 1 and 2 of "Turning on the Mixer," and put the
    headphones on.

2.  Set MONITORING SOURCE to the audio input source (MIC, 1, 2, 3, or 4)
    you want to monitor.

3.  Set the desired audio input source's volume to its minimum setting,
    turn it on, and set it to play (or continuously talk into the
    microphone).

4.  Slowly turn MONITORING LEVEL until you hear the signal through the
    headphones at the desired volume level.

5.  Repeat Steps 2 - 4 to select and adjust the volume level of the other
    audio input sources, one at a time.

Mixing the Inputs

Follow these steps to mix the audio input sources.

1.  Perform Steps 1 and 2 of "Turning on the Mixer."

2.  Set the selected audio input source's volume to its minimum setting,
    turn it on, and set it to play (or continuously talk into the
    microphone).

3.  Set these controls as desired.

    Control         Setting         Audio Source

    Phono 1/Mic 1   Phono 1         To mix the microphone connected to the
                                    Phono 1 input jack.

                    Mic 1           To mix the turntable connected to the
                                    Mic 1 input jack.

    Phono 2/Mic 2   Phono 2         To mix the microphone connected to the
                                    Phono 2 input jack.

                    Mic 2           To mix the audio source connected to
                                    the Mic 2 input jack.

4.  Set the corresponding Mic, Source 1, Source 2, Source 3, Source 4
    volume level control to approximately 8 - 10.

5.  When adding an audio input source, adjust the corresponding volume
    level control so you get an average reading of 0 on both output level
    VU meters.

NOTE:  The output level VU meters indicate the combined output signal
       level of:
                  All the input sources being mixed.

                  Both the left and right stereo channel outputs.

6.  Adjust the output amplifier's volume level control to the desired
    volume.

7.  When finished mixing, turn off all the audio input sources.

8.  To turn off the mixer, set POWER ON/OFF to OFF.  The VU meter's light
    turns off.

Using the Cross Fader

When two channels are playing at the same time, slide CROSS FADER:

   To the left to fade in Source 1 (or 3) and fade out Source 2 (or 4).

    To the center to mix the Source 2 (or 4) and Source 1 (or 3) levels
    equally.

    To the right to fade in Source 2 (or 4) and fade out Source 1 (or 3).

NOTE:  This lets you quickly and smoothly change from playing Source 1
       (or 3) to playing Source 2 (or 4).

Using the Tone Controls

You can tailor the microphone's high and low frequency sounds processed
through the mixer to fit the acoustic surroundings and your personal taste
using the BASS and TREBLE TONE CONTROLS.

To enhance the sounds, rotate BASS or TREBLE towards +12dB.  To reduce
them, rotate BASS or TREBLE towards -12dB.  To resume normal sound, set
them to 0.

Using MONO/STEREO

When you set MONO/STEREO to MONO, the mixer combines the left and right
channels then sends the signals to the OUTPUT R and L jacks.  The combined
output signals can be used by a monaural amplifier, such as a P.A.
amplifier.

When you set MONO/STEREO to STEREO, the mixer keeps the left and right
stereo channels separated, then sends the signals to the OUTPUT R and L
jacks.  The stereo output signals can be used by a stereo amplifier or
tape deck.


(TE/all-06/01/95)