Important Safety Instructions
iii
PLM Series Operation Manual rev 1.1.9
▸ Check if the affected unit complies with the EMC limits for immunity, (CE-labeled). If not, address the
problem with the manufacturer or supplier. All electrical products sold in the EC must be approved for
immunity against electromagnetic elds, high voltage ashes, and radio interference.
▸ Consult the dealer or an experienced radio/TV technician for help.
1.7 User Responsibility
1.7.1 Mains Connection Grounding
Your apparatus must be connected to a grounded socket outlet.
1.7.2 Speaker Output Hazard on Ampliers
Ampliers are capable of producing hazardous output voltages. To avoid electrical shock, do not touch
any exposed speaker wiring while the amplier is operating. The external wiring connected to the speaker
terminals shall be installed by a qualied person, or ready-made leads or cords of appropriate capacity shall
be used.
As the power output channels on ampliers produce high voltage, do not connect or disconnect
speaker cables when the mains power is on.
1.7.3 Speaker Damage
Amplier apparatus is very powerful and can be potentially dangerous to both loudspeakers and humans
alike. Many loudspeakers can be easily damaged or destroyed by overpowering them. Always check the
speaker’s continuous and peak power capabilities. Although the ampliers attenuators can be used to
reduce the overall gain, an increase of the input signal can result in full output power, which may cause
damage to connected speakers.
1.7.4 Maintenance
For safe and reliable operation, the dust lters on both sides of the front panel, behind the grilles, should be
removed and cleaned regularly to ensure maximum airow through the device.
If the dust lters are not maintained there will be safety risks; for example, high internal temperatures
could ignite the dust start a re. There is also a risk that the unit will malfunction since it is dependent on
constant airow from front to rear. If the dust lters are not clean and the unit malfunctions, any resulting
problems will not be covered by the warranty.
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