3 ms·

>so a customer without a smartphone could relay the diagnostic session to a technician Do you mean by mimicking the noises themselves?

• wpm 10mo ago
  No you see you just need to buy specially marked boxes of Cap'n Crunch that have a plastic whistle in them that plays the tones for you.
  • userbinator 10mo ago
    I wonder how many HN readers still get that reference (and 2600, etc.)
    • hunter2_ 10mo ago
      We make use of a service already existing without paying for what could be dirt-cheap if it wasn't run by profiteering gluttons...
    • Y_Y 10mo ago
      I'm merely middle aged, but I've read the hacker lore. https://en.wikipedia.org/wiki/Blue_box https://en.wikipedia.org/wiki/Blue_box
• notpushkin 10mo ago
  By holding their phone up to the machine.