Commissioning And Operation - Conrad M.A.R.L.I.S. MkIII Bedienungsanleitung

11. Commissioning and Operation

• Turn the controls MAIN LEVEL (1) and SUB LEVEL (3) down completely (to the left).
• Switch on the connected mixer and start playback. Set a medium volume at the mixer.
• Turn the PA system on with the POWER switch (7).
• Set the mixer volume to approx. 75% of the maximum volume or the maximum undistorted level (visible for
devices with modulation display at the "0 dB mark).
• Now adjust the subwoofer volume to the maximum required volume with the controller/s SUB LEVEL (3) and the
total volume of the PA system with the controller/s MAIN LEVEL (1).
This setting achieves the highest possible signal-to-noise ratio and enables the best audio quality.
Make sure not to overload the PA system. Too high a volume may cause damage. Subwoofers should
supplement the satellite speakers in the low-bass area. They should not drone.
• After this basic setting, the volume is only set with the mixer volume controller. Every change of the wirings
requires repetition of the setting process.
• Try switching the switch/es SUB PHASE (2). Depending on site of setup of the satellite speakers, the phase
inversion of the subwoofer/s may improve bass playback. The position where the bass is cleaner and louder is
correct.
Caution: Using two subwoofers requires both PHASE (2) switches to be in the same position.
• To switch off the system, first switch off the PA system with the POWER switch (7) and then switch off the mixer.
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Only put the system into operation when you have become familiar with its features and these
operating instructions. Check again that all connections are correct. Do not put the system into
operation if it is damaged.
The PA system should always be the last to be turned on and the first to be turned off. This way
you can prevent any undesired noise (which typically occurs when switching off a mixer) that
may damage the PA system.
Make sure that the connected devices are not overloaded. Playback must never be distorted.
If distorted music signals can be heard although the volume was not set too high, switch off the
PA system immediately and check the connection. If the connection is correct, please contact
a specialist.
The system must only be operated by persons familiar with the operating instructions and
observing them. Keep other persons and children away from the device.
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