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/WAKEsignal-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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NAD CI9120, CI9060 owner manual NAD ATO Logic, ATO Logic Chart