HP E1340A User's Manual
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TRIGger
The TRIGger subsystem operates with the ARM subsystem to control the
behavior of the trigger system, as follows:
• The source for generating the individual samples of a waveform.
• The total number of samples (triggers).
Subsystem Syntax TRIGger
[:STARt|SEQuence[1]]
:COUNt <
number>
:SOURce <
source>
[:STARt]:COUNt TRIGger[:STARt]:COUNt <number> would normally specify the number
of triggers the HP E1340A would accept after an
INITiate:IMMediate
command before returning the start trigger sequence to the wait-for-arm
state. However, since this is equal to the length of the current waveform,
and is not configurable here, the only legal value for this command is
9.91e37 or NaN (not a number).
There is no need to send this command. It is included for SCPI
compatibility purposes only.
Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
number
numeric 9.91e37 | NAN |
MINimum | MAXimum
none
MINimum and MAXimum select 9.91e37 triggers.
9.91E+37 is equivalent to NAN.
Comments • Executable when initiated: Yes
• Coupled command: No
• Related Commands: ABORt, INITiate:IMMediate
• *RST Condition: TRIGger:STARt:COUNt 9.91e37
Example Setting the start trigger count
TRIG:COUN NAN
TRIGger[:STARt]:COUNt
186 HP E1340A Command Reference Chapter 7