JVC DLA-Z1 - Manual (Page 51)

Lens Control
Focus / Zoom / Shift
For adjusting the lens according to the projection position
Æ “Adjusting the Lens According to the Projection Position” (P. 26)
Image Pattern
For setting whether to display the lens adjustment pattern.
Setting Description
On Displays the lens adjustment pattern.
Off Displays external signals, and does not display the lens adjustment pattern.
Lock
For setting whether to lock or unlock the lens.
Setting to “On” to lock the lens allows you to preserve the adjustment status of the lens.
Setting Description
On Locks the lens to prevent any erroneous operation on the adjustments.
0
When “On” is selected, all lens control functions other than “Lens Memory
Select” cannot be operated.
Off Does not lock the lens.
Lens Center
Returns the lens position to the center.
51
Adjust/Set