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4 OPERATION
USER MANUAL
Q-P OWER S ER IES
P. 15
Q - P O W E R
SERIES
4.1 Indicators
4.1.1 On LEDs
Under normal operation, after the amp has started, the green power LEDs are
permanently lit.
4.1.2 Signal / Protect LEDs (multifunctional)
The green Signal LEDs are illuminated when the voltage level at the output
reaches approx. 4 V; this corresponds to a power of approx. 4 W into a 4 Ohm
load. The channel signal LEDs are illuminated red when the amplifier is in Protect
Mode (Mute), for example because of persistent DC-voltage at the outputs or
overheating.
4.1.3 I-Out LEDs
The brightness is proportional to the output current in the channel. Output cur-
rent of approx. 1 A lights up the LED at its lowest brightness level, while full
brightness corresponds to the maximum rated current.
4.1.4 Clip LEDs
This LED indicates an overloading of the amplifier when the power output level
is to high.