tuningindicator
nounUK /ˈtjuːnɪŋ ˈɪndɪkeɪtə/
US /ˈtuːnɪŋ ˈɪndɪkeɪtər/
A small light or needle that shows when a radio or TV is set to the right station.
The tuningindicator glowed green when the radio found the station.
OTHER MEANINGS
2. A display that shows how well a musical instrument is in tune.
The tuningindicator on the guitar app turned green when the string was perfect.
3. A marker on a device that shows the current setting or channel.
He watched the tuningindicator move as he turned the knob.
4. A sign or gauge that shows whether a system is adjusted correctly.
The tuningindicator confirmed the machine was ready to use.