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10 C3429M-A (1/08)
Set to SW4-4 ON to enable flickerless operation. The camera will remove the effects of flickering and the
shutter speed will be set to 1/120 (NTSC) or 1/100 (PAL).
Set to SW4-4 OFF to disable flickerless operation. This is the default setting.
NOTE: If you enable flickerless operation, you should use AC line lock for best results.
SW4-5: Auto White Balance/Manual White Balance
Auto white balance (AWB) is enabled by default (OFF).
To manually set and lock the white balance:
1. Set SW4-5 to OFF.
2. Hold a white background in front of the lens until the video is all white.
3. While holding the background in place, set SW4-5 to ON. A blue blinking block appears on the video
image for a few seconds. When the block changes to solid green, the manual white balance (MWB)
process is complete.
SW4-6: Reserved
Do not change SW4-6 from its factory setting. SW4-6 must be set to OFF for varifocal models; it must be set
to ON for fixed iris lenses.
AUTO IRIS LEVEL ADJUSTMENT
To adjust the auto iris DC drive level (refer to Figure 9 on page 9):
1. Tilt or rotate the camera module until you can access the auto iris level control (R19).
2. Turn the screw clockwise to increase the brightness level or counterclockwise to decrease the
brightness level.
VERTICAL PHASE ADJUSTMENT
NOTES:
• Use this procedure for 24 VAC operation only.
• When adjusting vertical phase, line sync (SW4-3) must be set to OFF for AC line lock.
When using more than one camera power supply, a brief vertical roll may occur on the monitor when
switching from one camera to another.
To eliminate vertical roll, reverse the 24 VAC connections on one camera. If both cameras are connected to
the same transformer, this should solve the problem. If the problem continues, adjust the phase control by
synchronizing, or line locking, the cameras to one another.