23
ASSEMBLY PROCEDURE
COUNTER-BALANCING THE VERTICAL MOVEMENT
When you fit accessories, including the photography unit, to the main body, you may need to
adjust the vertical counter-balance movement. To do this, auxiliary springs must be fitted.
Each auxiliary spring consists of 2 identical springs.
Do not use different springs together in one set.
COUNTER-BALANCE PROCEDURE
1 Turn the control lever clockwise and raise the base to the top position, remove the centre
screw and take off the cover.
Major Combinations of Accessories and Necessary Auxiliary Springs
Accessories
Necessary auxiliary spring
Without
tonometer
With
tonometer
TV relay lens TL-55 + SONY DXC-33 (DXC-390)
None
Auxiliary
spring
SO-AS0
TV attachment TL-56 + Nikon Microsystem
Digital camera unit DC-1
TV relay lens TL-54 + JVC KY-F70
Auxiliary
spring
SO-AS0
Auxiliary
spring
SO-AS0
Beam splitter + Observation tube
Auxiliary
spring
SO-AS1
Camera attachment SR-53 + NIKON mount + FUJI FINEPIX
S2 Pro
Beam splitter + TV relay lens (1/2C) + JVC KY-F70
Auxiliary
spring
SO-AS2
Cover
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