:SYSTem:DEFault

Flex Apps:
FlexDCA
FlexRT
FlexPLL
Setup Commands

Command Syntax

:SYSTem:DEFault

Description

Returns FlexPLL and any connected extended module (DCA-X, DCA-M, 81160A) to its default settings. It is a good practice to set FlexPLL to its default state at the start of each program. This is the same actions as using the *RST common command.

An autoscale is not performed.

Use of an *OPC? query to pause program execution while waiting for this command to execute.

FlexPLL Default Settings
Feature Setting
Acquisition
Run/Stop Run
Start Frequency 1.5 kHz
Stop Frequency 50 MHz
Points/Decade 15
Averaging Off
Number of Averages 4
Display
UI Color Theme not changed
Dock Message Area not changed
Invert Graph Colors not changed
Source Setup
Remote Source Settings not changed
Jitter Settings not changed
Receiver Setup
Remote DCA Settings not changed
CDR Settings not changed
JTF Graph Setup
Response On
Response Memories Off
Start Frequency 1.5 kHz
Stop Frequency 50 MHz
Center Frequency 25.00075 MHz
Frequency Span 49.9985 MHz
Y-Axis Stop 10 dB
Y-Axis Start –50 dB

Python Example

import visa # PyVISA library
rm = visa.ResourceManager()
flex=rm.open_resource('TCPIP0::localhost::hislip0,4880::INSTR')
flex.query(':SYSTem:DEFault;*OPC?')
flex.write(':SYSTem:GTLocal')
flex.close()