Test:display - HP E8402A User And Service Manual

TEST:DISPlay?

Returned Data
Error Conditions
Reset Condition
Related
Commands
160 Programming the Enhanced Monitor
performs the test of the mainframe's front panel function: display
TEST:DISPlay?
window, monitoring LEDs, and beeper. There is no failure result for this test. The
display cycles through all pixels and all colors. The "Temp" / "Fan" / "Power
Supply" LEDs change states, and the beeper performs a Bach song (if
SYST:BEEP:STAT is enabled). The command returns an integer (always returns 0).
Type
int16 0
The following table lists the most common error conditions and causes. Error
numbers and corresponding messages can be found using
Number Message
-221 "Settings Conflict"
*RST aborts any TEST being performed.
*TST?, TEST:MEM?, TEST:SENS?, TEST:TEMP?, TEST:ALL?, TEST:BLOW?,
TEST:TIME?
Range
Result of test. Always +0.
Probable Cause
The mainframe's power is off.
Description
SYSTem:ERRor? query.
Chapter 3