Exit/Restart E4990A Measurement Application; Checking The Product Information; Overview - Keysight E4990A Help Manual

5. Touching all the four locations described above with your finger
automatically concludes the touch screen calibration.
screen for a preset time, it automatically closes and the
previous measurement screen reappears.
Other topics about Setting Control Functions

Exit/Restart E4990A Measurement Application

Pressing
System
E4990A.
Pressing
System
the E4990A.
Other topics about Setting Control Functions

Checking the product information

Overview

•
Procedure
•
Other topics about Setting Control Functions
Overview
Items Description
Product Serial Number.
Serial
The first 5 letters
Number
expresses the prefix.
Storage Revision. The first
two letters express the
Storage prefix. The last three
Revision letters express the
revision number at the
factory shipment.
Firmware Firmware revision. The
With no operation on the touch screen calibration
> Service Menu > Exit shuts down the firmware of
> Service Menu > Restart Firmware restarts the firmware of
Setting Control Functions
When the number
changes for your unit
after shipment
Immutable number
The prefix is immutable
number. The last three
letters may change by a
storage replacement at
repair.
The number is changed at
205