Measurement Computing Digital488 - Manual (Page 60)

Section 3 Command Descriptions
3.30
Test T0
The Test command is used to verify hardware and LED operation.
T0 Perform RAM and ROM test
The T0 command will cause the Digital488 to initiate a ROM/RAM test. If the
test is successful, all LEDs will flash for one-half second. If a test fails, the Error
LED will remain illuminated. Use the Status command to determine the cause of the
self test error.
Example:
CLEAR 718 reset the Digital488
OUTPUT 718;"T0X" send self test command