Ventilation Requirements; Instruction For Cleaning - HP E4915A User Manual

Ventilation Requirements
lb
ensure adequate ventilation, make sure that there is adequate
clearance of at least 250 mm behind, 100 mm on the sides and 15 mm
above and below.
Instruction for Cleaning
lb
prevent electrical shock, disconnect the HP E4915A/E4916A power
cable from the receptacle before cleaning. Use a dry cloth or a cloth
slightly dipped in water to clean the casing. Do not attempt to clean
the HP E4915A/E4916A internally.
Installation and Set Up Guide 3-5