NAD CI9120, CI9060 owner manual NAD ATO Logic, ATO Logic Chart

Operation

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NAD ATO LOGIC

The CI-series amplifier may be turned on in any one of three discrete ways for complete system flexibility: From the front-panel switch, the 12V-TRIGGERcircuit, or by a “SLEEP/WAKE” signal-sensing circuit. The ON/OFF power control is managed by the Automated Turn-On logic or ATO Logic circuit that requires the amplifier to be switched back to standby in the same manner by which it was activated. In other words, if the amplifier is switched on via a 12V-control signal, it cannot be switched to standby via the front-panel switch, it must wait for removal of the 12V-control signal. In practice, you probably would use only one of the methods once the NAD CI-series amplifier is installed.

ATO LOGIC CHART

SWITCH	Amber LED over	Green	Green	Green
	front power switch	SWITCH LED	12V-TRIGGER LED	SENSE LED
VACATION switch set to VACATION	OFF	OFF	OFF	OFF
VACATION switch set to ON	ON	OFF	OFF	OFF
Press front power switch with	OFF	ON	OFF	OFF
VACATION switch set to ON
Press front power switch with	ON	OFF	OFF	OFF
VACATION switch set to ON
12V TRIGGER	Amber LED over	Green	Green	Green
	front power switch	SWITCH LED	12V-TRIGGER LED	SENSE LED
VACATION switch set to VACATION	OFF	OFF	OFF	OFF
VACATION switch set to ON	ON	OFF	OFF	OFF
12 V INPUT TRIGGER = 0V with	ON	OFF	OFF	OFF
VACATION switch set to ON
12V INPUT TRIGGER = 12V with	OFF	OFF	ON	OFF
VACATION switch set to ON
SLEEP/WAKE	Amber LED over	Green	Green	Green
	front power switch	SWITCH LED	12V-TRIGGER LED	SENSE LED
VACATION switch set to VACATION	OFF	OFF	OFF	OFF
VACATION switch set to ON	ON	OFF	OFF	OFF
SLEEP/WAKE SENSE DEFEAT switch
set to SENSE DEFEAT with VACATION	ON	OFF	OFF	OFF
switch set to ON
SLEEP/WAKE SENSE DEFEAT switch
set to SLEEP/WAKE and any source	OFF	OFF	OFF	ON
input greater than 20mV with
VACATION switch set to ON

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