QOMO QD3900 - Manual (Page 12)

11
ADJUSTING IMAGE SIZE
To reduce or enlarge the image size displayed on the screen, press the
“
+ T
” (Zoom in) or “
W
” (Zoom out) button.
WORKING WITH NEGATIVES
The visualizer is automatically set to display normal materials on the
screen when the power is on. To display negatives, turn on the backlight by
press
ing the “LAMP” key, and then press the “Neg” button to display the
film negatives. Press the
“Neg” button again to display normal materials in
the color mode.
FOCUSING
When the visualizer is turned on the focus automatically adjusts to the
stage, Only 3D objects require a focus adjustment.
Press the
“AUTO” button to auto focus.
Press the
“FAR” or “NEAR” button to focus manually.
FREEZING IMAGE
To show a still image on the screen, when the output signal is RGB, press
the “Frz” button. The frozen image cannot be adjusted (Zoom in/out, color
adjustment, etc.).