HP41CL update

[MeindertKuipers]

(07-20-2022 07:23 AM)Uli Wrote:  

(07-20-2022 07:03 AM)MeindertKuipers Wrote:  You did everything right, almost. The update process must be finished with the FLUPD command (see example 1 in the CL_UPDATE manual), this is the actual update where the updated ROM images are re-programmed in FLASH.

So I have to watch the HP41CL all the time and make sure it doesn't switch off so that I can type FLUPD at the right moment?

Usually I switch off audio (CF 26) and XEQ "ON" so the HP41 does not switch off and is silent during the process. The update program on the host computer will give you an approximate time for the FLCHK? to complete, so you can time your nap. It also gives this timing estimate for the FLUPD process.