Elmo QNW4000 - Manual (Page 6)

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SENS-UP switch
To increase the sensitivity, set this switch to ON position.
DAY/NIGHT switch
When the DAY/NIGHT function is used, this switch is turned ON. (See P. 9.)
Camera output terminal
This is an image output terminal. When the camera direction, the field angle or the focal point is
adjusted, a monitor TV or other type display is connected to this terminal.
When a monitor TV is connected to this terminal, remove the 2P connector beforehand.
Level adjusting volume
This volume is used to adjust the brightness of the image. If the lens iris is not appropriate,
adjust the iris with this level adjusting volume.
Vertical sync. phase adjustment potentiometer
Vertical sync. phase adjusting potentiometer is set at the position fully that the delay time of
vertical sync. phase against the phase of power frequency is shortest, when shipped from the
factory.
Select this up ( ) and down ( ) button will make the delay time of vertical sync. phase
against the phase of power frequency longer.
Use the function control potentiometer if the picture image on a monitor TV may flow
when using the camera in combination with other camera(s) controlled by the Line-Lock
synchronization.
In this case, get a proper image by shifting the phase of vertical sync. signal of the camera
against that of the other. If a proper image cannot be obtained even after this adjustment, reset
the potentiometer to its original position, and use the function control potentiometer of the
other camera to shift the phase of vertical sync. signal of other camera.
Caution:
Before making adjustment, make sure that cameras have their power supplies
connected with the same polarity. (not 180 apart)