p.24
Safety
6
p.24
Safety
6
Turn-On/Turn-Off Protection
At power-up,the amplifier stays in the protect mode with outputs dis-
connected for about six seconds,while the power supplies charge and
stabilize.While the output relays are open, the ACL LEDs will light.
When the power is turned off,the speaker loads immediately discon-
nect so that no thumps or pops are heard.
Auto Ramp Signal Control
Whenever a CKi Series amplifier powers up or comes out of a protect
mode,the Auto Ramp circuit activates. While the speakers are discon-
nected,the Auto Ramp circuit fully attenuates the signal. After the out-
put relay closes,the signal slowly and gradually raises up to its set level.
PowerSave
All CKi amplifiers come standard with PowerSave circuitrywhich
reduces current draw and thermal emissions at idle. PowerSave oper-
ates by cutting off the bias current to the output stage when signal is no
longer sensed at the input.When signal appears,bias current is instantl;y
restored after the first positive-going waveform. Current draw specifi-
cations while PowerSave is active are included in specifications under
"Idle Current Draw."
NexSys Fault Monitoring
A CKi equipped with an NxEthernet or NxCobraNet module and con-
nected to a NexSys network will report fault conditions to the PC con-
trolling the network. If a networked amplifier enters ACL or IGM or
experiences a thermal,DC voltage,or short circuit fault,the fault con-
dition will be reported the PC interface.This allows easy monitoring of
amplifier operating conditions across a large or widespread network
from a single location.
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