If you bench test the amplier using a continuous, full scale
sine-wave input above 10 kHz, the VHF protection will activate
and prevent measurement of full peak output power. (Output
will be muted long before maximum output power is attained.)
To measure the true peak output power, use a burst signal.
5.5.4 DC protection
5.5.5 High-impedance warning (open load)
Since the high-impedance detection initially triggers only when the
input signal rises above -29 dB, it might cause the indicator to rst
turn green, and then red, even in situations where no speaker is
connected.
5.5.6 Low-impedance protection (short circuit)
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