coarse adjustment การใช้

• A loose pin through a series of holes in the inner tube gives a wider range of coarse adjustment.
• It could traverse a total of 2?for fine aiming adjustments, coarser adjustments had to be made by moving the entire carriage.
• The gun could traverse only enough on the mount itself for fine corrections, coarser adjustments had to be made by turning the entire mount on the V鰃ele turntable.
• The upright post can be adjusted to tilt back or forward, effectively moving the scriber point up or down in a controlled fashion; coarse adjustments are made by sliding the scriber along its clamping block.
• The gun could traverse only enough on the mount itself for fine corrections ( the exact amount is disputed among the sources ), coarser adjustments had to be made by turning the entire mount on the V鰃ele turntable.