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"!" on Attenuation Screen


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#1 lambroffs

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Posted 19 May 2005 - 09:11 AM

I have a stack of three I-Tech 8000 amps running firmware 1.301.  With no applied signal and no apparent fault conditions, one of the amps shows an exclamation mark right below the "dB" letters on the Attenuation Screen.  Cycling power does not clear the  "!".  I cannot find reference to the symbol in either the User's Manual or the Application Guide.  What is this amp trying to tell me?  It appears to operate correctly otherwise.

#2 KGring

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Posted 19 May 2005 - 11:28 AM

The ! indicates that the error reporting detected errors at some time on the amp. These errors will remain stored in the amp until removed.This is new in the 3.01 firmware to visually let you know the amplifier has logged these errors. This can be removed by clearing the errors from the front panel menu. There is a small bug, the clear function for thermal error and for clip errors are revered. You clear clip errors from the thermal screen, and you clear clip errors from the thermal screen. This is being fixed in the firmware.
Kevin B. Gring
Crown Audio
kgring@crownintl.com