1.Nothing appears on stack 1 after going from 1 to 2 to 3 and then back to 1:
that's probably because you have the same stacks with the same name in the computer, you can simply move one set of stack to another floppy disk.
2. The wrong button was clicked and you end up with the wrong sequence in stack 3: you can check the card number in stack 3, go back to find out what sequence should have been in that card by looking at the corresponding button in stack 2, and then find that card in stack 1 by the "option F" function and re-enter your data.
3.It seems impossible to delete anything in the fields of the master chart of stack 2: It just takes longer for any command to be carried out in that card because of the 256 buttons; wait a bit longer before giving up.
4. When doing an extensive check of stack 3, every time you open a card, the top sequence get copied: you can simply delete the first line which was duplicated unnecessarily by clicking the button:
Author's address: Dr. Mary Waye MRC Group, 4384 Med. Sci. Bldg., Univ. of Toronto, 1 King's college Cir. Toronto, M5S 1A8 CANADA Tel: 416-978-6686.