Emerson Rosemount 928 Quick Start Manual page 58

Quick Start Guide
2. Configure the following security settings as required:
Write Protect: If No (the default option) is selected, device configuration

settings may be viewed and edited. If Yes is selected, device
configuration settings may be viewed but not edited.
Lock Device: If Unlock is selected, the device can be accessed by any

host to view and edit configuration settings. If Lock (the default option) is
selected, the device cannot be accessed by any host to view and edit
configuration settings until a host unlocks the device. To change this
option, do the following:
a. On the Security screen, select Lock/Unlock.
b. On the Select HART Lock option screen, select Lock or Unlock to change
the setting.
c. Select OK.
On the Security screen, the Device is Locked area displays On when the device
is locked and Off when the device is unlocked.
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August 2018