Menu Reference
Front Panel Menu Reference "System/Inputs" Menu
Agilent E4419B User’s Guide 3-23
appears on the screen allowing you to select from ODD, 
EVEN, ZERO, ONE or NONE.
❖
Press this softkey to access a menu which allows you to 
enable/disable various hardware and software pacing 
options.
❏
Press this softkey to toggle between enabling and 
disabling the Xon/Xoff transmitter software handshake. 
When enabled “Xon” is highlighted, otherwise “None” is 
highlighted.
❏
Press this softkey to toggle between enabling and 
disabling the Xon/Xoff receiver software handshake. 
When enabled “Xon” is highlighted, otherwise “None” is 
highlighted.
❏
Press this softkey to obtain a pop up window which 
allows you to select one of the following:
OFF - Sets the RTS signal line permanently low.
ON - Sets the RTS signal line permanently high.
IBFull - Sets the RTS signal line high while the 
receiver buffer can accept more data and sets 
RTS low when the data buffer is full. The 
transmitter is inhibited when CTS is low.
❏
Press this softkey to obtain a pop up window which 
allows you to select one of the following:
OFF - Sets the DTR signal line permanently low.
ON - Sets the DTR signal line permanently high.
IBFull - Sets the DTR signal line high while the 
receiver buffer can accept more data and sets 
DTR low when the data buffer is full. The 
transmitter is inhibited when DSR is low.
This key is greyed out if RS422 interface is selected.
Pacing
Tx Pacing
Rx Pacing
RTS/CTS
DTR/DSR
HP4402.book  Page 23  Thursday, November 30, 2000  1:39 PM