Hitron HCB-F9 Instruction Manual page 16

3) LENS
Automatic control of the brightness level through the intensity of radiation.
- MANUAL
Available by using manual lens.
- DC
LEVEL
END
- VIDEO
NOTE :
- When using an auto iris lens, the setting of the auto iris lens selection
switch, located on the back of the camera, must be on DC or VIDEO
depending on the type of the lens which is being used.
- The brightness of the screen can be adjusted in DC mode. The
brightness can be adjusted within the range of 0~70. The optimum level
of brightness for the user can be achieved by adjustment.
When using Auto Iris Lens with Video type
1) Adjust ALC volume on the lens properly. Normally ALC volume
should be turned all the way to Av(Average).
2) According to the type of the lens used, the lens may not perform
properly. In such a case, adjust the volume level on the lens.
3) For adjusting the Volume Level, enter the submenu at the 'VIDEO
LENS' mode. And then adjust it to the desired state.
NOTES
When the auto iris is mounted, you have to set the DC/Video selection
switch on the side of the camera properly according to status of this
selection switch.
Adjust the brightness level by pressing the LEFT or
RIGHT button at the DC's submenu. Level setting
is available only by using the DC IRIS lens.
Then put the A/I LENS selection switch on the side
of the camera in the "DC" position.
RETURN to the AE MENU
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