RVD-90421. Turning the meter ON- Press the button briefly- Immediately after powering on, the device is readyfor parameter setting and measurement1. QUICK REFERENCE GUIDE0ffHOLD ONOFFUP/DOWNWOOD MOISTURE METER0)0ONOFFT TYPEONOFF2. Wood type adjustment- Press and hold buttonto adjust parameter WOOD TYPETYPE ; use and)64HOLD ONOFFUP/DOWNt m3WOOD MOISTURE METERt4TYPET