Power, Grounding, Bonding, And Audio For Ham Ra... 〈Fast · 2027〉
refers to the intentional connection of an electrical system to the earth. This provides a path for static charges, stray currents, and lightning to safely dissipate.
Establishing a safe and high-performing amateur radio station requires a deep understanding of four pillars: . While often discussed as separate topics, they are deeply interconnected; a failure in one can lead to "RF in the shack," equipment damage, or poor signal quality. 1. The Foundation: Grounding vs. Bonding Power, Grounding, Bonding, and Audio for Ham Ra...
is the act of connecting all conductive parts together to ensure they stay at the same electrical potential. The goal is to minimize voltage differences between pieces of equipment, which prevents destructive arcs during lightning strikes and reduces RF noise. 2. Power Systems and AC Safety refers to the intentional connection of an electrical
Found this looking for Neo2 system info, thanks for providing this!
Have been using Alphasmart 3000, Neo and Neo2 for decades w/o issue, so never bothered to collect tools or modify software or hardware. Changed my mind now that I encountered a
Bus Error Accessing: 0xE9BFEC11
Next Instruction At: 0x417F4E
following OS version prompt, but blocking any attempt to try to save or print text. Most of my search is future proofing atm., in case I’ll have more issues in the future and to find a daily backup solution. If you know of other tools or info not listed here, I’d much appreciate an update!
If the above error message gives any indication whether the problem is not just local (some part of SRAM corrupted, or not accessible) but global (SRAM contents are certain to be all gone) I can go ahead and change the CR2032 and reset the unit to get the OS restored. Otherwise, I have not yet given up on finding some USB protocol docs to see whether maybe a PC could access SRAM contents over USB.
Does AlphaSmart Manager still recognize your device? If so, it should be able to backup the text file contents to your computer. If not, the only method I can think of is to remove the CR2032, wait for a day or so, before replacing it to see if the error can be fixed.
Is there a compiled .OS3KAPP version of NeoFontTerminal?
Hi sam,
Yes, you can find the compiled applets in the Releases section of the github repository hosting the source code:
https://github.com/isotherm/betawise/releases