CHECK
8
9
7
5
6
4
2
0
3
1
GO
OUT
TEST
x2
CE
CM
P
You can use the check key to find out whether your last
instruction to
bigtrak
tells it what you want it to do.
The check key allows you to test instructions before they are fixed into
bigtrak
‘s memory, but you can only check the last entry made on the
programmes by using this key.
19