3 Remote Interface Reference
System-Related Commands
96 E364xA User’s and Service Guide
DISPlay:TEXT?
Query the message sent to the front panel and returns a
quoted string.
DISPlay:TEXT:CLEar
Clear the message displayed on the front panel.
OUTPut {OFF|ON}
Enable or disable the outputs of the power supply. When the
output is disabled, the voltage value is 0 V and the current
value is 0.02 mA. At *RST, the output state is OFF.
OUTPut?
Query the output state of the power supply. The returned
value is 0 (OFF) or 1 (ON).
OUTPut:RELay {OFF|ON}
Set the state of two TTL signals on the RS- 232 connector
pin 1 and pin 9. These signals are intended for use with an
external relay and relay driver. At *RST, the OUTPut:RELay
state is OFF. See
“Disconnecting the output using an external
relay” on page 51 for more information.
OUTPut:RELay?
Query the state of the TTL relay logic signals.
SYSTem:BEEPer
Issue a single beep immediately.
Do not use the RS-232 interface if you have configured the power supply to
output relay control signals. Internal components on the RS-232 circuitry
may be damaged.