Specifications

Operating Manual SEFRAM 4451
M4451 A00
54
This command is used to control the polarity of the pulse, which may be normal or
complemented. The COMPement and INVerted parameters are aliases: either may be used.
COMMAND TYPE: Setting or Query
SETTING
Syntax: [:SOURce]:PULSe:POLarity<ws><Option>
Arguments:
Type: Character
Options: NORMal – Normal polarity
COMPlement – complemeted
INVerted – complemeted
Examples: :PULS:POL NORM
:PULS:POL INVerted
QUERY
Syntax: [:SOURce]:PULSe:POLarity?
Examples: :PULS:POL?
Response: NORM | COMP
4.12.1.21 Enhanced Accuracy
This command is used to stay compatible with old MODEL 550. It does nothing on SEFRAM
4451.
COMMAND TYPE: Setting or Query
SETTING
Syntax: [:SOURce]:PULSe:EACCuracy<ws><Boolean>
Arguments:
Type: Boolean
Examples: :PULS:EACC ON
QUERY
Syntax: [:SOURce]:PULSe:EACCuracy?
Examples: :PULS:EACC?
Response: 0 | 1
4.12.2 OUTPut Subsystem
The Output Subsystem controls characteristics of the source’s output. The OUTPut command
controls whether the output is ON or OFF.
COMMAND TYPE: Setting or Query
SETTING
Syntax: [:OUTPut]:STATe<ws><Boolean>
Arguments:
Type: Boolean
Examples: :OUTP:STAT ON
:OUTP OFF
QUERY
Syntax: :OUTPut[:STATe]?
Response: 0 | 1
4.12.3 Trigger Subsystem
The Trigger Subsystem is used to control the waveform triggering. It is not all SCPI
compatible. The command structure is as follows:
:TRIGger
:MODE CONTinuous | TRIGger | GATE | BURSt