4 Features and Functions
190 Keysight 34970A/34972A User’s Guide
Remote interface selection
The 34970A is shipped with both an GPIB (IEEE-488) interface and an RS-232
interface. Only one interface can be enabled at a time. The GPIB interface is
selected when the instrument is shipped from the factory.
– The interface selection is stored in non-volatile memory, and does not change
when power has been off, after a Factory Reset (*RST command), or after an
Instrument Preset (SYSTem:PRESet command).
– If you select the GPIB interface, you must select a unique address for the
instrument. The GPIB address is displayed on the front panel when you turn on
the instrument.
– If you select the RS-232 interface, you must also set the baud rate, parity, and
flow control mode for the instrument. “RS-232” is displayed on the front panel
when you turn on the instrument.
– Front-Panel Operation:
GPIB / 488 , RS-232
– Remote Interface Operation:
SYSTem:INTerface {GPIB|RS232}
Baud rate selection (RS-232)
You can select one of eight baud rates for RS-232 operation. The rate is set to
57,600 baud when the instrument is shipped from the factory.
You can set the baud rate from the front panel only.
– Select one of the following: 1200, 2400, 4800, 9600, 19200, 38400, 57600
(factory setting), or 115200 baud.
– The baud rate selection is stored in non-volatile memory, and does not change
when power has been off, after a Factory Reset (*RST command), or after an
Instrument Preset (SYSTem:PRESet command).
– Front-Panel Operation:
19200 BAUD
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