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Agilent Technologies 75000 SERIES B User Manual

Page 36

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Selects the Trigger Source

TRIG:SOUR defines the trigger
source to advance the scan. Default
is TRIG:SOUR IMM. TRIG:SOUR?
queries the current trigger source.
Sources are:

BUS = *TRG via GPIB
EXT = Event In Connector
HOLD = Hold Triggering
IMM = Automatic advance

Selects Continuous Scanning Cycles

Use INIT ON or INIT 1 to enable
continuous cycles. Default is fixed
number of scans determined by the
ARM:COUN command.

Selects Scan Mode

SCAN:MODE command sets the
switchbox to the following
measurement modes. For the Form C
Switch, either NONE or VOLT sets
the switch for "no measurement" (i.e.
the command has no effect on Form
C Switch operation).

Selects the Channel List for Scanning

SCAN <channel_list> defines
channels to be scanned using trigger
source set by TRIG:SOUR command.

Enables Scanning

Enables scanning for any trigger
source and closes the first channel in
the channel list.

Advances Channel List

This command advances the channel
list when the trigger source is
TRIG:SOUR BUS or TRIG:SOUR
HOLD. Command not usable with
TRIG:SOUR EXT or TRIG:SOUR IMM.

Figure 4-1. Scanning Channels Commands

Sets Number of Scanning Cycles

ARM:COUN <number> sets 1 to
32767 scanning cycles per INIT
command.

34 Understanding the Agilent E1364A Form C Switch

Chapter 4