GE SVI II AP Quick Start Manual page 18

Pushbutton Locks and Configuration-Lock Jumper
Before performing any of these functions with the local display you must first ensure that the
pushbuttons are placed in the unlocked mode using ValVue Lite. The positioner is provided in the
unlocked mode. See ValVue documentation for more details.
The SVI II AP offers several levels of accessibility. It may be desirable, after initial setup, to lock the
pushbuttons so that the SVI II AP parameters cannot be inadvertently changed by the buttons.
Several levels of pushbutton locks are provided.
Level
Security Level 3
Security Level 2
Security Level 1
Security Level 0
18 | =GE Oil & Gas
Table 2: Pushbutton Lock Security Level
Allow Local Buttons: Buttons on the SVI II AP are fully enabled.
Lock Out Local Calibration and Configuration: Use the buttons to per-
form operations in normal operating mode and manual mode. Do not
go to configure or calibrate mode.
Lock Out Local Manual: Examine variables in normal operating mode
but do not put the valve in manual operating mode. Access to cali-
brate or configure modes is not available.
Lock Out All Buttons: The buttons are disabled (level 0).
Access
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