GRT Avionics

All,

I got reply back from GRT, my unit has an older version of software that has a bug that was fixed in a later version. so my unit needs to go in for repair
but at least they know what the issue is and it can be fixed !

I have an ESI with Alt and airspeed that is also part of an Horozin setup (not sure if that matters in this case since the EIS is doign it's own alt)

I am trying to accomplish this in my EIS
7.13 AltCor (Calibrating the Altimeter/Barometric Pressure)
To calibrate the altimeter so that the ...

OKay so I installed the files the other day but am not getting alerts beeps or voice. Note: I did remove the usb stick after it said done copying
Questions:
when your in the set menu and setting or changing volumes, when does the system actually play the message, meaning while your change the ...