Its construction has been equipped with a pendulum (compensator) automatically, so that although the crosshairs has not made perpendicular to the axis of unity by the manufacturer, but when the bubble was the middle of the box, automatically all the conditions have been met. In addition, construction is usually watertight.
Figure 45 Tool Sipat Automatic Flat Type
Parts Instrument Type Automatic Flat Sipat
- Kiap Bottom airstrip is rested on the head statip, which has a locking screw holes as in other Flat Sipat tool.
- Flatness adjuster screws, consisting of three screws that point to set nivo box, so that the direction perpendicular to the axis of unity nivo reference line.
- Binoculars, which consists of three parts of the objective lens, prism enforcement (prism) or so-called “pendulum / compensator”, prism enforcement (prism b), two lens focus, two pieces of glass where scratches cross thread the diaphragm and the three parts of the lens adjusting shadows cross thread
Figure 46: Structure of Lens On Automatic Flat Sipat Binoculars
- Nivo box, is used as a guideline nivo adjustment axis perpendicular unity nivo reference plane, that is, when the bubble was the middle of the box.
- Horizontal circle, is a circle in which the listed scale flat angle of 0o to 360o
- Regulatory Focus button, is a button that is used to adjust the sharpness of the image object (target), where there are marked / driving directions (infinity), so that it can rotate in the right direction.
Before discussing the use of aircraft Sipat Datar, which should be known in advance that the requirements that must be met each measuring instrument Sipat Flat, namely:
Main Requirements: crosshairs binoculars should be parallel to the reference line nivo
Requirements Second: nivo reference line should be perpendicular to the axis of unity
Requirements Third: a horizontal cross thread should be perpendicular to the axis of unity