IBM 3151 Manual To Operations page 129

Emulating the Ten ASCII Terminals
c
~
~
After making the changes, your keyboard should look like this.
Figure B-3 shows the emulation keyboard.
Notes:
1. Some labels of the keys are printed differently on the actual keyboard:
2. The function printed on the front of each key is performed when the key is
pressed with the Ctrl key.
~~M~
Dt::J~~
Figure B-3. Emulation Keyboard
B-6
IBM. 3-151, Guide to Operations