analog
analyzing
broadcasting
button
calibrate
circuit
color
digital
digitally
display
electricity
electronic
electronics
engineering
equipment
experiment
frequency
generated
hand
image
industry
instrument
laboratory
liquidcrystal
measurement
measuring
modern
monitor
oscilloscope
pattern
power
probe arm
radio
repairing
scanner
scientific
screen
signal
sine
sinus
surveillance
technician
technology
test
tool
wave
waveform
work