CI9120_9060 manual (GB) 12/12/02 9:09 pm Page 10
Operation
FRONT-PANEL CONTROLS AND INDICATORS
ENGLISH
FRAN?AIS
DEUTSCH1 The amber standby indicator LED over the front power switch must4 The SENSE LED illuminates green when the amplifier senses a signal
be on for the amplifierOs ATO Logic to function. This is achieved bygreater than 20mV RMS on any of the amplifier inputs refer to ORear-
having the OVACATION switch� in the ON position (refer to ORear-Panel Controls and Connections�: SLEEP/WAKE, SENSE/DEFEAT
Panel Controls and Connections�: VACATION switch section). section). Once you turn on the amplifier via the SLEEP/WAKE sense
logic, only the absence of a signal to all the amplifierOs inputs can
2 The front-panel momentary-contact switch will power on, and placereturn the amplifier to standby state.
NEDERLANDSinto standby, the NAD CI-series amplifier, denoted by the green LED
labelled SWITCH. If you power on the amplifier via the front panel5 The OMC LED illuminates amber when the amplifier senses too much
switch, the amber standby LED will turn off, and the SWITCH LED willinput signal or the load impedance drops below 2 to 3 Ohms, in either
turn green. Once you turn on the amplifier via the front-panel switch,case a potential fault condition. When the fault condition is removed,
only the front-panel switch can return the amplifier to standby state.the OMC LED will turn off, and the amplifier will return to normal
operation.
3 The 12V-TRIGGER LED illuminates green when the amplifier switches
ESPA?OLfrom standby to power on state via the 12V input (refer to ORear-6 The PROTECTION LED illuminates red when the amplifier protects
Panel Controls and Connections�: 12V-TRIGGER INPUT section).itself. For example, in the unlikely event of overheating, protection
Once you turn on the amplifier via the 12V-IN TRIGGER, only thewould be active and the protection LED would light red. The amplifier
absence of the 12V can return the amplifier to standby state.will stay in this state until one removes the fault condition. Once you
remove the fault condition, the amplifier will come out of the
protection state, and the amplifier will return to normal operation.
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