sigh sigh sigh
这也是我研究后得出的初步结论
世上就没有CR2023 9V的纽扣电池
我的望远镜的control panel那块儿肯定是是放纽扣电池的
因为是圆的,不是方的
这个的说明书在 http://www.meade.com/manuals/TelescopeManuals/Refractors/NG_NGC_new.pdf
page 10, Initializing the Control Panel(NGC Models Only)
"Make sure that you have installed a 9v battery in the battery compartment"
page 20, Specifications
Batteries