Keysight N774-C Series User Manual page 4

Do Not Operate in an
Do not operate the instrument in the presence of flammable gases or fumes.
Explosive Atmosphere
Do Not Remove the
Operating personnel must not remove instrument covers. Component replacement and
internal adjustments must be made only by qualified personnel.
Instrument Cover
Instruments that appear damaged or defective should be made inoperative and secured
against unintended operation until they can be repaired by qualified service personnel.
4 Keysight N774-C & 8162-C Series User's Guide