Polaroid Polaview 305 - Manual (Page 105)

Adjusting The Voltage Control Oscillator (VCO) gain affects how well
the VCO gain the Dot Clock locks to the incoming horizontal sync signal.
Incorrect VCO gain is indicated by lines shooting through
the display or by severely compressed or shifted displays.
Adjusting your display
Horizontal Adjusting the Horiz. Pos control usually corrects this
double image problem.
Adjusting the
horizontal position
Use the arrow keys on the control panel, the SETUP key, or
the following procedure:
1 Press the MENU key to display the Main menu.
2 Select Advanced.
3 Select Horiz. Pos. (horizontal position).
4 Press the down arrow key until the image is properly
aligned.
Note: There are separate vertical position values for
NORMAL and SCALE modes. Adjustments in one mode are
not made in the other.
102 Troubleshooting