Preparation of the Handheld Vibrometer for Measurement

☆ Check the battery voltage: Press the (M) key and observe the display. If the "left" arrow is displayed in the upper corner of the "left" of the LCD screen, it means that the battery voltage has decreased and needs to be replaced with a new battery.

☆ Battery installation:

○ After opening the lower cover of the meter, remove the battery compartment cover.

○Place the four button cells in the battery compartment with the correct polarity (positive side of the battery).

○Reinstall the battery compartment cover and the lower cover of the meter.