Programming instructions

Front-Panel Operation 53
To Configure the
Remote Interface
The instrument can communicate with a computer over GPIB or RS-232
interface. Perform the following procedure to configure the interface.
Note Only one interface can be used at a time. When shipped from the factory,
the GPIB interface is selected and its address is set to “9”.
Note RS-232 interface can be configured and used only in SCPI mode.
GPIB Interface 1. Press Menu, the CONFIG annunciator lights up. Turn the knob to
select “INTERFACE”, then press Enter;
2. Turn the knob to select “GPIB/488”, then press Enter;
3. Turn the knob to set a valid GPIB address (0-30), then press Enter;
4. When “SRQ ON” is displayed, press Enter, the Agilent 3499A/B/C
will interrupt the system computer when powered up. To disable this
feature, select “SRQ OFF”, then press Enter;
5. The instrument returns to “INTERFACE”, press Menu again to exit
this operation, the CONFIG annunciator turns off.
RS-232 Interface 1. Press Menu, the CONFIG annunciator lights up. Turn the knob to
select “INTERFACE”, then press Enter;
2. Turn the knob to select “RS-232”, then press Enter;
3. Turn the knob to select the baud rate (default: 9600), then press
Enter;
INTERFACE
GPIB/488
ADDRESS 09
SRQ ON
INTERFACE
RS-232
9600 BAUD