STEP 1: connect the accelerometer cable.

this picture shows the cable connected to the USG256 panel.

STEP 2: Turn on the USG256

STEP 3: Press "2" - Sonic.

STEP 4:  Press "1" - "MEASUREMENT".

STEP 5: Enter site name ("1") and project name ("2")

Press "4" - "START".

STEP 6: Enter test parameters : "1" - pile name , "2" - graph amplification ,

"3" - graph low pass filter , "4" wave velocity , "5" - pile length.

Place the accelerometer on pile head and strike the pile head with the hammer until acceptable reflectogram appear on screen. Press "7" to store the graph , a message indicating graph storage is displayed. It is recommended to save three graphs for each pile.