How do I change between Foot Candles (FC) and Lux on my Klein Tools ET130 light meter?

[DeColton]

Changing between Foot Candles (FC) and Lux on the Klein Tools ET130 light meter is straightforward. Here's how: First, power on the meter by pressing the Power Button. To toggle between measurement units, use the RANGE/FC/LUX button. To switch to Lux, press and hold the RANGE/FC/LUX button for longer than three seconds. To switch back to Foot Candles (FC), repeat this process; press and hold the RANGE/FC/LUX button for over three seconds. Always verify your chosen unit (FC or Lux) by checking the Units icon on the display. Also, be sure to pay attention to the measurement resolution icons to make sure your readings are as accurate as possible.