Repair manual

CALIBRATION & ADJUSTMENTS
5-9
B. Autoluminant Adjustment
Always do the Autoluminant Adjustment whenever the Logic Board and/or the
Monitor Board is replaced.
Equipment Needed:
Video Photometer
Digital Palette Gentest Diskette
Host Computer
Setup:
Turn the Digital Palette system ON and allow it to warm up for a minimum of 15
minutes. To prevent ambient light from affecting the readings, make sure the
Digital Palette is covered during these adjustments.
Procedure:
The objective is for the Gentest to have a reading of 200 with the photometer level at
6.0 ft. Lamberts.
1. Rotate the filter sheel to the clear (no filter) position.
2. Bring up the MAIN MENU.
3. Press F9 to access TEST ADJUST MENU.
4. Press F2, AUTOLUMINANT ADJUSTMENT, to access DARK CURRENT
ADJUST MENU.
5. Following the Gentest procedure, set the Dark Current to 4 by adjusting VR3 on the
Logic Board (Figure 5-5). The Dark Current Level will appear on the Gentest menu.