APART MA247 - Page 5

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Important information
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bypassed when the emergency input is activated.
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mains AC supply. Please note that this switch does not switch the amplifier off when operating from a
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If the amplifier is overloaded, it will result in overheating. Check your total speaker load with an
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wattmeter for this purpose. If you need more speakers and/or more power, then you should use an
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without the need of a supplementary preamplifier.
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When you use an external paging amplifier, the internal power amplifier will ‘see’ fewer speakers at its
output, because these speakers are switched to the external amplifier’s output during paging. This can
result in music levels varying, depending on the speaker load variation. This is not a malfunction. This
effect will increase depending on the speaker load variation. You can avoid such situations by powering
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