Fine adjustments are stored within the projector. Pressing
the fine adjustment switch (Convergence adjustment) results in
entering fine adjustment mode, and this may cause the stored fine
adjustment to be changed. During work other than for adjustment,
should you touch the fine adjustment by mistake, immediately turn
the power off by using the main switch and then turn it back on
again. If any distortion or color deviation is found in the test
mode and adjustments are needed, use the specified adjustment
knob, or perform the adjustment by remote control. Note that there
are 2 projector makes (Hitachi and Mitsubishi) and the adjustment
method is different between the two. When checking the adjustment
control knob, remove the PTV service door. For the Mitsubishi
projector, remove the cover.
When the screen surface become dirty with dust, clean it by using
a soft cloth such as gauze. When water or chemicals spill on the
screen surface, it may be subject to damage, so do not use them.
Also, since the surfaces are susceptible to damage, refrain from
rubbing them with hard materials or using a duster.
The projector is subject to color deviation due to convergence
deviation caused by geomagnetism at the installation location
and peripheral magnetic fields. After installation, and before
commencing operation, check the convergence for deviation and
make any necessary adjustments.