The silk-screened characters on the control panel should be clear and easy to understand, and all the places where there are physical buttons and knobs should be clearly marked.
The silk screen printed words on the control panel shall be clear and easy to understand, and all places with physical keys and knobs shall be clearly marked.<br>
The screen printed words on the control panel should be clear and easy to understand, and all places where there are physical buttons and knobs should be clearly marked.