Canon CINE-SERVO 50-1000mm T5.0-8.9 PL Manual (ja, en, zh)

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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.
Options
01
to
99
Description
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
 IG: 50 
 IG: 50 
 IG: 51 
 IG: 51 
MENU
 IG: 50 
[ Basic ]
 IG:50
MENU
MENU
[ Basic ]
 IG:51
MENU
MENU
[ Basic ]
Note:   Do the following when 
adjusting gain while checking 
iris operation.
     
→ Confi rm that the drive unit A/M 
switch is set to [Auto] mode.
     
→  Set the camera iris mode to 
[Auto].
Note:   As you look at the lens iris 
ring, set it to the position of 
maximum gain at which “focus 
hunting” does not occur.
1
2
3
4
Press 
.
Your selection is now highlighted.
Press 
.
The display starts blinking.
Press 
 or 
.
Press left or right until you reach the desired value.
Press 
.
The display changes from blinking to highlighted, indicating confi rmation.
Initial Top Screen