Hold the function key, the A button next to the 3, for a second and see if 
it unlocks the keypad.
----- Original Message ----- 
From: "Pat Byrne" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, December 09, 2008 8:47 PM
Subject: Locked up THF6A


>I have somehow managed to lock up my THF6A.  The keys all give a high
> beep when pressed - turning the tuning knob gives a high beep at
> every position and I can't get in to the menu to do a reset.
> Not sure how I got there.  I have done a quick review of the manual
> (how we all hate to do that) and couldn't find my problem.
> I'm sure it is something very simple and I'll feel stupid when one of
> you gets me on track.
> Thanks.
> Pat, K9JAU