Sony VPL-VW870ES Operating Instructions Manual page 27

Setting items
Test Pattern
Settings Lock
Description
Displays a test pattern according to the setting.
On:
A test pattern appears on the screen to be used when adjusting the lens with "Lens Focus," "Lens Zoom,"
and "Lens Shift."
Off: A test pattern does not appear.
Tip
While the test pattern is displayed, it is only displayed in green to allow you to adjust the focus easily.
Locks menu item settings to prevent operational error (page 28).
Off: Cancels the Settings Lock.
Level A: Group 1 items (below) are not displayed on the menu, and are not available.
Level B: Group 1 and Group 2 items (below) are not displayed on the menus, and are not available.
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