balance amp and EQ levels by ear for best tonality

check the system by listening to familiar audio content

check the system for distortion by listening at the highest expected volume

change equalization off-axis to fix coverage problems

Checking the equalization and gain structure on the audio replay system

Changing the preset frequencies on the handheld radio system

Testing the failover systems for redundant spare equipment

Checking the batteries in uninterruptable power supply systems

friction

reflection

absorption

transmission

stabilize cable assemblies where the connector joins the cable

Terminate a cable that is no longer in use

Protect the cable from fire damage

Add length to a cable that was terminated improperly

the whole number multiples of individual sine waves

the whole number multiples of a fundamental frequency

the particular make-up of complex waveforms

varying proportional energy levels of a fundamental frequency

Reflected ceiling plans

Detail drawings

System flow diagram

Request for Information document

disconnecting ground pins to prevent noise

making certain that noise does not flow on signal conductors

tying all conductors to ground

connecting metal conduits, boxes, cabinets, and enclosures to ground