DISABLE program instruction The SWITCH monitor command or the SWITCH real-valued function can be used to determine the status of a switch at any time. The SWITCH program instruction can be used, like the DISABLE instruction, to disable a switch. Example DISABLE MESSAGES ;Turns off the MESSAGES switch. Related Keywords ENABLE monitor command ENABLE program instruction SWITCH monitor command SWITCH program instruction SWITCH real-valued function eV+Language Reference Guide, v2.x, 18319-000 Rev A Page 178