What to do if Keysight E4990A does not start with standby switch?
If turning ON the standby switch does not start up the Keysight Measuring Instruments system, confirm that the power cable is properly plugged in and that the line switch on the rear panel is turned ON.
Why standby switch is red on Keysight E4990A Measuring Instruments?
If the standby switch color is red and does not start up the Keysight Measuring Instruments system, it could be due to trouble with the fan. Turn OFF and ON the line switch once, then turn ON the standby switch.
How to unlock the mouse on Keysight E4990A Measuring Instruments?
If the mouse becomes inoperable on your Keysight Measuring Instruments, use the front panel keys, press System > Key Lock > Touch Screen & Mouse Lock to turn OFF the lock.
What to do if touch screen is inoperable on Keysight Measuring Instruments?
If the touch screen becomes inoperable on your Keysight Measuring Instruments, use the front panel keys, press System > Key Lock > Touch Screen & Mouse Lock OFF to turn OFF the lock. Alternatively, execute the calibration of the touch screen.
How to unlock front panel and keyboard on Keysight E4990A Measuring Instruments?
If the front panel key or keyboard becomes inoperable on your Keysight Measuring Instruments, use the mouse to turn System > Key Lock > Front Panel & Keyboard Lock OFF.
What to do if all keys, keyboard and mouse are inoperable on Keysight E4990A Measuring Instruments?
If all of the front panel keys, keyboard, and mouse become inoperable on your Keysight Measuring Instruments, confirm that the keyboard or mouse is connected correctly. If they are correctly connected, turn OFF the power and restart the system.
What happens if keyboard and mouse are connected after power-on on Keysight E4990A?
If the keyboard and mouse have been connected after power-on of your Keysight Measuring Instruments, turn OFF the power and restart the system. If operability is still not recovered, there is a possibility of a failure.
Why my Keysight E4990A Measuring Instruments system cannot operate manually?
If the system cannot operate manually (Front Panel Keys, Keyboard, Touch Screen and Mouse) on your Keysight Measuring Instruments, first, confirm that the keyboard or mouse is connected correctly. If it is connected correctly, turn OFF the power and restart the system.
What to do if Keysight E4990A Measuring Instruments system freezes during operation?
If your Keysight Measuring Instruments system freezes during operation, press the standby switch to turn OFF the power and then restart the system.
How to fix a frozen screen on Keysight E4990A?
If the screen freezes and all operations become impossible on your Keysight Measuring Instruments, press the standby switch to turn OFF the power once, and then restart the system.
General| Brand | Keysight |
|---|---|
| Model | E4990A |
| Category | Measuring Instruments |
| Language | English |
Describes how to open the E4990A Help system.
Explains how to get context-sensitive help by pressing the Help key or F1.
Guides on opening and viewing the E4990A Help file on a PC.
Describes navigation methods within the help system.
Details naming conventions used in the help system, like file names and paths.
Outlines general safety precautions for operation, service, and repair of the instrument.
Instructions for updating pre-installed software and installing user application software.
Instructions to protect the E4990A, including reading warning labels and handling power cables.
Precautions regarding excessive voltage/current to test ports and bending cables.
Guidelines for preventing ESD damage to electronic components.
Troubleshooting steps for startup or operation problems before contacting support.
Details the names and functions of the parts on the E4990A front panel.
Details the names and functions of the parts on the E4990A rear panel.
Describes hardkeys for selecting channels and traces.
Information about the touch-sensitive LCD screen for displaying traces and settings.
Information on USB ports for connecting peripherals like keyboards and printers.
Steps for selecting, connecting, and setting up measurement accessories.
Explains how to set up measurement conditions including signal and sweep.
Describes various calibration methods for the E4990A Impedance Analyzer.
How to configure the E4990A to display measurement results effectively.
Guides through analyzing data using markers and performing calculations.
Details on setting talker/listener GPIB addresses for E4990A control.
Enables control of the E4990A via a web browser using HTTP.
Provides guidance on using Windows features and settings on the E4990A.
Steps to configure network settings for LAN connectivity.
Instructions on how to turn Windows Firewall ON or OFF.
Information on managing user accounts and passwords for system access.
Lists available options for the E4990A, including frequency and time base options.
Lists available documentation such as manuals, sales literature, and specifications.
Guides on identifying and resolving common operational issues and errors.
Covers procedures for cleaning, part replacement, and system recovery.
Information on controlling the E4990A remotely via GPIB, LAN, or USB.
Details the five types of remote control systems based on system controller and interface.
Overview of controlling the E4990A using SICL-LAN or telnet server.
Overview of device control via USB, equivalent to GPIB control.
Information on SCPI commands, their types, structure, and grammar.
Comprehensive reference for all SCPI commands and their syntax.
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