Measurement Computing GPIB-488 - Manual (Page 61)

Chapter 3 GPIB 488.1 Library Reference
Programming Reference Manual 3-48 GPIB-488
The new timeout is used until it is redefined (by calling ibtmo again) the device/board is
re-initialized (by calling ibfind or ibonl ); or the system is restarted.
Example
This example changes the timeout (to 30 sec) for all calls specifying the "plotter" device at
PAD 3.
C int plotter;
plotter = ibdev (0,3,0,13,1,0);
ibtmo(plotter, T30us);