IBM 5100 Communications Manual page 33

PRoe
The PROC state indicates that the 5100 is doing internal processing. The 5100
goes to the home state when processing is complete.
Keys
ATTN
Shift and ATTN
CMD and ATTN
Results Home State
Transmits a long space if the 5100 HOME
is receiving.
Stops the current operation as soon HOME
as possible.
Returns the 5100 to the home state. HOME
(This key is only to be used if the
5100 cannot be returned to the home
state from the process state by pressing
only the ATTN key.)
State Indieators 29