Kuzma STOGI 90923 - Manual (Page 7)

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The counterweight is marked with five red dots. One full rotation of the counterweight
increases tracking force by 0.5grams, therefore distance from one dot to another
corresponds to 0.1grams.
With the cueing device in the ‘up’ position and tube in the armrest the counterweight
is turned anticlockwise (from front view) to increase the tracking force.
4.0. Tonearm adjustments:
4.1. Adjustment of tracking force:
4.1.1. Balance scale:
Set up the cartridge tracking force with the balance scale, which must be at record
height. Rotate the counterweight towards the tube to increase tracking force.
4.1.2. Manually:
Note: An inaccuracy of a few mm in the position of a dot is not critical.
Balance tonearm to zero. Then position of one dot should be noted and taken as zero,
(any dot will do, so choose the most easily visible). Then simply turn the
counterweight anticlockwise counting each dot that passes that position as an
increased tracking force of 0.1gram. For example a tracking force of 1gram will
necessitate turning the counterweight past 10 dots or two complete turns the
counterweight.
4.1.3. Counterweight fixing:
The counterweight is secured by gently turning one of the three screws M3 with the
Allen key 1.5mm. Do not, however fix securely at this stage until tangentional
tonearm adjustments are completed.
4.2. Adjustment of tangential geometry:
4.2.1. Tonearm height adjustment (rough Vertical Tracking Angle-VTA):
Note: Do not drop tonearm in armbase.
Put a record on the platter and adjust height of the tonearm- VTA in such a way, that
the central axis of the tube will be parallel to the record. This is only a starting point
for VTA.
Position the needle carefully in the normal playing position above the record with the
lift still “up”, to ascertain how low or high the arm is.
If tonearm is too low, then the tonearm must be raised by releasing the screw in the
base while holding the tonearm by the ‘C’ shape and lifting it up. Tighten VTA screw
when the tonearm is in position, though do not over tighten.
Repeat process until arm is high enough to clear record.