ITEM NAME:Yaesu TCXO-9 High Stability Crystal for FT-897, FT-857, FT-817 Description: The frequency of 22.625MHz, instead of the original machine crystal can improve the stability of the machine, the original module has outstanding performance in different environments Turn off the power of the machine, open the machine cover, find the location of the installation of warming crystal, you need to pull down the ordinary crystal with the machine, and then follow the alignment of the pins can be inserted, installed after boot does not require any settings to get started Specification: PCB Circuit Board Size: 4.5x2 cm/1.77x0.79 inch The actual test frequency observed with precision frequency meter crystal , crystal original machine flew with fire frequency offset what happened , and this compensated crystal did not change significantly , the effect is significant This crystal accuracy can be achieved 0.5PPM, consistent with the original TCXO-9 module parameters Installation method: Close the machine power supply, open the machine cover, find the location of the installation of removing crystal, need to machine with ordinary crystal pulling down first, then according to the alignment pins after plugging, installed boot does not require any Settings can begin to use Package Includes: 1 Piece Compensated Crystal Module.1 Piece Compensated Crystal Module.