ULTRASONIC THICKNESS GAUGE - A1207 (A1207C)Acoustic Control Systems, Ltd.Moscow, 200622|After that leave the velocity choice button.On the display you will see horizontal strokes. In1-2 seconds they should blink, and that will meanthat the device is ready for work.7.3. REPLACEMENT OF THE PROBE’S CAPSULEWhen the probe’s capsule is worn out it is possible to replace it. For that, do the followingactions:{Unstick the nameplate from the rear side of thedevice.|Loose two screws that fasten two parts of thecase.}Take the front panel of the case off.