Canon CJ18ex28B IASE S operation manual for the CJ18ex7.6 KRS CJ25ex7.6 CJ18ex - Page 157
IG: 50, IG: 51
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5. Operation in Analog Mode 5.1.3 Specifying Auto Iris Gain [IG] Although this value is factory-set, it can be adjusted as needed. To adjust the value, use either the auto iris gain adjustment trimmer (refer to the Lens Manual) or display operations. Regardless of the method of adjustment used, the most recent setting takes precedence. The same auto iris gain value applies to all users. Initial Top Screen MENU [ Basic ] IG: 50 MENU [ Basic ] IG:50 1 Press . Your selection is now highlighted. Note: → → Do the following when adjusting gain while checking iris operation. Confirm that the drive unit A/M switch is set to [Auto] mode. Set the camera iris mode to [Auto]. IG: 50 IG: 51 2 Press . The display starts blinking. Note: As you look at the lens iris ring, set it to the position of maximum gain at which "focus hunting" does not occur. 3 Press or . Press left or right until you reach the desired value. MENU [ Basic ] IG:51 4 Press . The display changes from blinking to highlighted, indicating confirmation. Options Description 01 to 99 Minimum gain Maximum gain Default: Varies depending on the factory-set value, but corresponds to the value determined with the iris gain adjustment trimmer. MENU IG: 50 or E155
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