说明：
Operation instruction of parallelism measurement1.Set-upAutoMAT auto-collimatorPentagon prismBridge plate with mirrorLaser attachment (LFxx)1.1Set the baseline and the measuring lineFig1: General view of parallelism measurement 1.2Installing auto-collimatorAuto-collimator should be placed on a solid base, and connecting cables, start the measurement software on a computer.1.3Auto-collimator adjustmenta)Put the measurement bridge plate in the baseline near the pentagon prism, start the measurement with auto-collimator software.b)Put the laser attachment(LF1 or LF2) at the front of the Auto-collimator’s objective tube,the laser attachment emits a laser beam,let the laser beam shoot at the middle of the mirror. Adjust the mirror to make sure the laser beam is reflected back to the emitting po...