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Chapter 5 - 4 cm/14 cm Viewfinders 185
4 cm Viewfinder
THOMSON TTV1707 / CCU DT500
User manual
B1707M00LD
September 2000
5.1.6 - Mechanical adjustments
To adapt the viewfinder to the operator’s vision, make the following adjustments:
• Longitudinal position adjustment
Loosen knurled locking ring (1) on the viewfinder and move the viewfinder assembly.
Tighten the ring.
• Transverse position adjustment
Loosen knurled ring (2) on the viewfinder and move the viewfinder assembly to the left or
right. Tighten the knurled ring.
• Up-down position adjustment
Raise or lower the eyepiece.
• Focusing adjustment
Rotate the focusing ring to move the eyepiece internal lens.
Procedure:
• With the camera, aim at a distant object. Focus on this object.
• While observing this object with the left eye which is disengaged, rotate the
focusing ring so that the viewfinder image is clear.