Did he try the reset command?

I think that command is all six dots plus the space bar.

----- Original Message ----- 
From: "Lou Kolb" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, July 18, 2013 1:14 PM
Subject: OT: Braille lite 40 question


I know this is off-topic, but at least it shouldn't generate 
flames and =
swearing, and I do use these units in the shack.

Anyone on list familiar with the circuitry of the Braille 
Lite 40?  I =
have a friend who is offering to try to replace the battery 
packs in =
several units for me.  I sent him my oldest unit first to 
experiment =
with since I didn't really care what happened to that one. 
He got the =
batteries in but now when he turns it on, it just beeps and 
no Braille =
comes up.  Has it lost the firmware?  He did find a lithium 
battery for =
the memorie which seems to be good.  It measures 3 volts. 
I've now sent =
him another unit along with a charger so he can keep it 
powered while he =
changes the cells.  Any observations apreciated.  73,  Lou