Level | Suzhou Level dsz2 | Jinke Instruments (certified merchants) are provided by Instrument Co., Ltd. Qingdao Branch. Instrument Co., Ltd. Qingdao Branch (www.qdjk17.com) is a professional "mapping equipment, analysis equipment, testing equipment, flow meters, optical instruments, temperature instruments," the company. Since its inception, we adhere to the "honesty, sound management" approach, the courage to healthy competition in the market, so that the "Golden Section, Qingdao Branch, Branch instruments, Jinke instrumentation," the brand has a good reputation. We adhere to the "service first, customers first" principle, so Jinke instrumentation win the trust of customers in the congregation of the instruments, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you! Targeting (1) eyepiece focus: release the brake spiral Level quote, the telescope steering bright background (eg: Sky) Level manufacturers, turn the eyepiece light spiral water level, so that the reticle image definition (2) The initial aim: through a telescope optical sight tube above the targeted ruler, tighten the brake spiral. (3) The objective focus: Turn the focusing knob, so the scale of image clarity. (4) precision targeting: Turn the micro pulley, so the scale imaging center in the field of view. Zero-correction bits put in the instrument calibration stage, adjusting the center circle blisters and leveling the instrument, the scope of compensation if the compensation is 30 ", but the error is 10" dsz2 Optical Level, compensation has not work, then prove that the compensation required to be zero calibration, the compensator just below a row of four screws, two middle letters paint can not move, the two screws on both sides can be adjusted compensator zero.