Keysight E4990A - Exit;Restart E4990 A Measurement Application; Checking the Product Information; Overview

Setting Control Functions
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5. Touching all the four locations described above with your finger
automatically concludes the touch screen calibration.
With no operation on 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 > Service Menu > Exit shuts down the firmware of
E4990A.
Pressing System > Service Menu > Restart Firmware restarts the firmware of
the E4990A.
Other topics about Setting Control Functions
Checking the product information
• Overview
• Procedure
Other topics about Setting Control Functions
Overview
Items Description
When the number
changes for your unit
after shipment
Serial
Number
Product Serial Number.
The first 5 letters
expresses the prefix.
Immutable number
Storage
Revision
Storage Revision. The first
two letters express the
prefix. The last three
letters express the
revision number at the
factory shipment.
The prefix is immutable
number. The last three
letters may change by a
storage replacement at
repair.
Firmware
Firmware revision. The
The number is changed at