Sony SEL1655G Service Manual page 89

(3) F NO ADJ
• Adjust the F number.
Subject
Operation on Lens side
Shooting Mode of the camera P mode (Program Auto)
Preparation
Attach the clear chart to the small pattern box (PTB-1450), and set
it as shown in the following figure.
Small pattern box (PTB-1450)
+ clear chart
Shoot the small pattern box so that
the screen becames fully white.
Adjusting Method
1. Click the [FNO ADJ] button in the Adjustment and Inspection.
2. "PLEASE CHANGE ZOOM TO TELE" is displayed, set the
zooming ring to the TELE end (focal length: 55 mm) and press
the ENTER key.
Zooming ring
3. "Select the AF." is displayed, set the focus mode switch to the
AF.
Focus mode
switch
Small pattern box (PTB-1450)
+ Clear chart
• Zooming ring
• Focus mode switch
Cover with
a blackout curtain
4. When the ENTER key is pressed, automatically starts the adjust-
ments.
5. When F number adjustment is completed, "FNO ADJUSTMENT
OK" is displayed.
6. When the ENTER key is pressed, recording the adjustment data
and releasing from adjustment mode are performed automatically,
and " [FNO ADJ EXECUTION OK]" is displayed in the mes-
sage area when the process is completed.
5-41
SEL1655G
SYS SET