Lutron Electronics UV-340A - Front Panel Layout and Controls; Display Screen; Power Button; Range Selection Switch

4. FRONT PANEL DESCRIPTION
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4-1 Display
4-2 Power Button
4-3 Range Switch (Hi/Lo Switch)
4-4 Zero Button
4-5 Stand
4-6 Battery Compartment/Cover
4-7 UV Probe Handle
4-8 UV Sensor
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