DMTA-10022-01EN, Rev. C, January 2015Chapter 7138To lock and unlock instrument functions1. In the measurement screen, press [SETUP], and then select LOCKS.2. In the LOCKS screen (see Figure 7-10 on page 138):a) If a password was set, enter the password in the ENTER PASSWORD textbox.b) Set the functions you want to lock to LOCKED, and the ones you want tounlock to UNLOCKED.c) Select SET to activate the instrument lock and return to the measurementscreen.Figure 7-10 The LOCKS screen7.6 Freezing the Measurement or Optional WaveformPressing [FREEZE] stops updating the display and optional waveform, and keeps thewaveform and thickness on the display even if you move or uncouple the transducer.The freeze indicator ( ) appears on the lower right side of the display when thefreeze function is active.The freeze function is convenient for easily setting the gain parameters, reviewing aB-scan, or performing a high-temperature measurement without having to keep thetransducer coupled to the test piece.In order to prevent recording wrong minimum or maximum values, you may alsowant to use the freeze function to pause measurements before uncoupling thetransducer from the test piece.
