TIMEOUT 1006
This report is given when the time limit specified by the system variable ⎕RTL is exceeded while awaiting input through character input (⍞) or ⎕SR.
It is also reported by ⎕FHOLD if it times out.
It is usual for this error to be trapped.
Example
⎕RTL←5 ⋄ ⍞←'RESPOND WITHIN 5 SECONDS: ' ⋄ R←⍞
RESPOND WITHIN 5 SECONDS:
TIMEOUT
⎕RTL←5 ⋄ ⍞←'RESPOND WITHIN 5 SECONDS: ' ⋄ R←⍞
^