NEC NP4001 - Manual (Page 93)

5. Using On-Screen Display
81
Keystone
The keystone trapezoid can be adjusted by selecting this option.
Select Horizontal or Vertical using ▲ or ▼ then, use ◄ or ► to adjust the projected
image
appearance as required.
Lamp Mode
Select Normal or Eco from the lamp mode window. The lamp life can be extended by us-
ing the Eco mode and the fan noise can be reduced.
Lamp Select
Select the lamps to be used for projection.
Select from the following:
Dual – Uses both lamps simultaneously.
Lamp1 – Uses Lamp1 only.
Lamp2 – Uses Lamp2 only.