Trigger Key; Local Key; Address Key; Trigger Mode Key - Agilent Technologies 4349B Manual

Trigger Key

The Trigger key triggers a measurement in manual trigger mode.

Local Key

The Local key returns the 4349B to the local mode (front-panel) operation from the
GPIB remote mode (computer controlled). When the 4349B in the remote mode, the Rmt
annunciator( ) will be displayed.
9

Address Key

The Address key sets the 4349B's GPIB address. The available GPIB addresses are the integer
numbers 0 to 30. Address 31 is the talk only mode in which the 4349B sends data through
GPIB interface.
In the talk only mode, the output data is,
< stat1 > , < data1 > , < comp1 > , < stat2 > , < data2 > , < comp2 > , < stat3 > , < data3 > , < comp3 > ,
< stat4 > , < data4 > , < comp4 >
Where,
< stat1-4 > measurement status of each channel
0 : normal
1 : overload
2 : no-contact
< data1-4 > measurement data of each channel
< comp1-4 > comparison result of each channel (no output when the
comparator function is OFF)
1 : in
2 : high
4 : low
8 : no-contact
The system reset or power-on doesn't a ect the address setting.

Trigger Mode Key

The Trigger mode key toggles three trigger mode| Internal, Manual, or External. The 4349B
also has another trigger mode, BUS.
Internal (Int) The internal trigger mode. In this mode measurements are free running and
continuous. (Default)
Manual (Man) The manual trigger mode. In this mode, the 4349B performs a single
measurement when the front-panel key
External (Ext) The external trigger mode. The 4349B is triggered by a TTL level pulse
input through the rear panel External Trigger connector, or through the
handler interface. For more information, refer to \External Trigger".
Bus This mode is available only in the GPIB remote mode. In this mode, the
command and
3-6 Function Reference
command trigger a single measurement.
is pressed.
4349B