DPA 6.4
PAGE
5
SWITCHES AND INDICATORS
Figure 1.
DPA 6.4 f
ront panel
SWITCHES
Power supply OFF/ON switch.
INDICATORS
SIGNAL:
Indicates an input signal of at least 5 mV.
CLIP:
Indicates
≥
1% harmonic distortion on the output signal.
POWER:
Indicates that the amplifier is turned on.
STANDBY:
Illuminates for a while when the power is turned on, and during the following situations:
1.
Temperatures higher than 110
°
C measured on the cooling bracket.
2.
DC-voltage on either input or output terminals.
3.
High frequency signals on either input or output terminals.
Note:
High frequency signals is here defined as frequencies higher than 200kHz.
When «STANDBY» is lit, the input signal is muted, and in turn, the amplifier’s power supply will be
shut down, and simultaneously the loudspeaker outputs will be short-circuited. The «STANDBY» LED
will start to flicker to indicate periodic muting of the input signal due to a high degree of signal clipping
in the range of 15-20 kHz.
Содержание DPA 6.4
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