Playing music from ITS

To play music, the PDP-6 is required.

1. Power on the PDP-6.
2. Set address switches to 000000 and toggle the start switch.
3. Start MUSRUN.
4. The command to load a music file is the single letter L.
5. Type the file name and carriage return.
6. MUSRUN will now load the music data into PDP-6 core memory.
7. Set PDP-6 data switch 1 to on to start playing.
8. Set switch 0 to stop playing.