Adjustments Screen Voltage Setup - 16
3. Connect the jumper
adjustment tool (922-
4165) to the video board
pin. Refer to the
“Jumper Adjustment
Tool” procedure
mentioned earlier in this
section.
Without the jumper
installed, cutoff and
white balance
adjustments cannot be
saved. The jumper
enables writing the new
settings to the factory
space.
4. Power on the iMac.