W - test – Measurement Computing DAC488 v.1 User Manual
Page 91

DAC488 User’s Manual
DAC488 Commands 85
W - Test
TYPE
System Command
SYNTAX
Wn
Where
n = 0
or
1
.
W0
(Default) Turn off TEST LED.
W1
Turn on TEST LED.
W?
Return the state of the TEST LED.
DESCRIPTION
The Test command is used to verify that communication has been established with the DAC488. If the W1 command
is executed, the front panel TEST LED should light. If the W0 command is then executed, the TEST LED should turn
off. This command can be used to test the connection between the IEEE Controller and the DAC488.
EXAMPLE
PRINT#1,"CLEAR09"
Line 1: Reset the DAC488.
PRINT#1,"OUTPUT09;W1X"
Line 2: Turn on the TEST LED. The TEST LED on the front panel should light.
PRINT#1,"OUTPUT09;W0X"
Line 3: Turn off the TEST LED. The TEST LED on the front panel should turn
off.