Sony Xpreia acro S Working Instructions page 85

Pre-Test Preparations
LT26w Ventilation hole.
Position the clamp to make sure the ventilation hole is fully
sealed by vacuum cup.
Pull the Syringe SLOWLY to produce under pressure,
meanwhile the bar becomes yellow color.
1267-1077 Rev 2

Sony Mobile Communications AB – Company Internal
Test Instructions (mech)
9(32)