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ALTEC LANSING ACS45.1 User Manual Page 3

Computer speaker system.
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The unit is turned on/off by pressing both the up/down
volume controls.
The satellite speakers have a detachable base that allows the
speakers to be angled upwards if desired for better
directivity of sound.
The satellites are magnetically shielded to prevent distortion
of monitor images. Please note, that the subwoofer is NOT
magnetically shielded and should not be placed in close
proximity to the monitor.
When the ACS45.1 is not used with a Multimedia Computer,
it can serve as an amplified speaker system for CD players,
cassette players and various video/audio sources with
excellent results.
ACS45.1 Connections
For easy insertion of the DIN connector notice that the
arrow must face up. Do not put the AC power plug into
the wall outlet before all connections are made.
Use of Controls
• On/Off Switch. The unit is turned on/off by pressing both
the up/down volume controls simultaneously.
• Volume Up/Down. Volume is controlled electronically by
the use of two push buttons located on the top of the
satellite. Arrows on the push button indicate volume
up/down. The left push button with the arrow pointing
towards the front lowers volume and the right push button
raises volume. See Figure 2.
• Subwoofer Volume Control (Bass Level). With the
subwoofer in the desired location, the volume control is used
to mix the level of the subwoofer with the satellite
speakers. Mixing is usually done by playing a wide variety
of music and speech and adjusting the control until a natural
sound is obtained.
• Inputs 1 and 2. Both inputs are equal. One input can be used
for the computer output and the other as described in "How
to Enhance Presentations with Dialogue."
Placement of Speakers
All stereo information is heard from the satellite speakers.
The subwoofer contains no stereo information and sound is
non-directional. As a result, the subwoofer does not
necessarily have to be placed in any particular relationship
to the satellites. Placing the subwoofer on the floor close to
a wall or corner of a room provides maximum bass
efficiency. The subwoofer can be placed below tables,
Figure 1
behind couches and on bookshelves, etc.
The satellite speakers are magnetically shielded and can be


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  • Pac Jun 30, 2014 02:45:
    I 'm looking for the prinboard SCHEMATICS​/DIAGRAM for an:
    ATLEC-Lan​sing Multimedia
    Computer speaker system POWERED SUBWOOFER; model ACS45B.

    I​f someone knows a possibilit​y to find a schematics​/diagram please inform me at atyseit@gm​

    ​Thanks in advance.

    ​Pac Petronilia