Alto Professional PS 4L - Manual (Page 5)

3
Power Cord
Tripod
Mount
Left
Main Mix
Output
Signal Cable
Mixer
2. PS 4LA ACTIVE SPEAKER CABINET
Make all initial connections with all the equipment powered off, and ensure
that all the main volume controls are turned completely down.
1). Connect one side of the signal cable at your audio mixer into output
left /right (with Stereo-Jack or XLR) and the other side of the cable into
the line input (Stereo-Jack) of your active speaker cabinet.
2). Connect the power cord to mains.
3). Turn on your mixer first, then the active speaker cabinets.
4). Turn up the volume control of the active speaker cabinets.
5). Use PFL function to get the proper input level for the mixer, and adjust
the main mix level control to manipulate the output level.
6). After using, turn off your active speaker cabinets first, then the mixer.
3. QUICK START - PS 4LA HOOK
UP
Power Cord
Tripod
Mount
Right
Output
Main Mix
Signal Cable