Keysight N9912A - 15. Channel Scanner (SA Only and Option 312); Using Channel Scanner; How to Set Up Channel Scanner

2-2 Keysight N9912A Service Guide
General Product Information
Maintenance
2-
Maintenance
Physical Maintenance
Clean the analyzer case using a dry or slightly damp cloth only.
Electrical Maintenance
Refer to “Contacting Keysight” on page 2-5 and to Chapter 3, “Tests and
Adjustments.”
To prevent electrical shock, disconnect the analyzer from the mains
source before cleaning. Use a dry cloth or one slightly dampened
with water to clean the external case parts. Do not attempt to clean
internally.