3M eg3, eg4 user manual  How to lock or secure,  How to unlock

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Viewing measurements on the display

Locking or Securing

How to lock or secure

1. Turn the dosimeter on and press the run/stop button to begin logging your study.

2. To enable the lock, press run/stop	button three consecutive times within one
second intervals.

∙The Lock screen will appear.

Key indicator Indicates dosimeter is locked while running.

Padlock icon

Secure all

Figure 4-10: Locking/Securing run

∙NOTE: If lock/secure run does not activate, please check that locking is set-up on your dosimeter. Please see “How to set-up secure/lock”, page 30 for further details.

How to unlock

1.To unlock, press run/stop button 3 consecutive times, within one second

intervals, and then press the on/off enter button.

a.If the padlock icon and the key indicator were on the screen, these will vanish and the measurement view will appear along with the run indicator.

b.If you enabled the lock feature (with the key indicator showing and the measurement view showing), then the key indicator will disappear.

2. To stop your study, press the on/off enter button and the 3, 2, 1 will display as it ends the study.

a. To download and view your results in DMS, please see Chapter 5.

053-644, Rev E Page 40 eg4 & eg3