88
Chapter 4 Features and Functions
Scanning
4
Trigger Layer
In trigger layer, the instrument requires a trigger source to open the
previous channel and then close the next one listed in the scan list. You
can use one of the following trigger sources:
•
TIMER — with timer trigger source selected, the scan list advances
when the specified time interval has elapsed.
•
IMM — with IMM (default) trigger source selected, the scan list
advances as soon as the previous channel is opened.
•
BUS — with bus trigger source selected, the scan list advances when
a
GET
or a
*TRG
command is received, or Step on the front-panel is
pressed.
•
EXT — with external (EXT) trigger source selected, the scan list
advances when an external trigger is received from the specified
trigger-in line.
•
MIX — with mix trigger source selected, the scan list advances when
a BUS event or EXTernal event occurs.
•
HOLD — with hold trigger source selected, the scan list advances
when a
TRIGger:IMMediate
command is received.
Summary of Contents for Agilent 3499A
Page 13: ...1 1 Quick Start ...
Page 27: ...2 2 Front Panel Operation ...
Page 55: ...3 3 System Overview ...
Page 77: ...4 4 Features and Functions ...
Page 113: ...5 5 Remote Interface Reference ...
Page 164: ...164 5 ...
Page 165: ...6 6 Error Messages ...
Page 173: ...7 7 Plug in Modules ...
Page 256: ...256 Chapter 7 Plug in Modules 44475A Breadboard Module 7 ...
Page 261: ...261 Chapter 7 Plug in Modules 44476B Microwave Switch Module 4 7 The 44476B is shown below ...
Page 286: ...286 Chapter 7 Plug in Modules Terminals and Connections Information 7 ...
Page 288: ...288 7 ...
Page 289: ...8 8 Application Programs ...
Page 299: ...9 9 Specifications ...
Page 343: ...343 Chapter 9 Specifications 44475A Breadboard Module 4 9 ...