I have a 38A and don't know the password. I have tried sending a DTMF digit for 
15 seconds, shorting pins 3, 4 on the RS232 jack, and removed the EPROM and re 
inserted after reading that this worked. Now, it seems brain dead and won't 
even respond to RS232 input.
Does anyone know a foolproof way to reset this back to factory defaults?
Thank

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