TFM Ultrasonic Flaw Detector A1525 SOLOOperation Manual18ACOUSTICCONTROLSYSTEMS2INTENDED USE2.1 OPERATING LIMITATIONSThe device is designed for operation under environmental conditions specified in clause 1.1.2.2.2 DEVICE PREPARATION FOR USEBefore operating the instrument for inspection, remove the protective film that was used during manufacturing and transport.It can remain if the end-user prefers to keep it in place, but removal will increase image contrast and brightness on the display.2.2.1 Switching device ON/OFFTo switch the device ON, press the key, and the LED below the F1 key lights up green. The "ACS LLC" logo appears for10 seconds on the screen, pressing the key again will turn the device OFF.