请问 icom r7000接收机的程序是否像r71e一样都存在ram内？
是否电池掉电后也会引起机器永久损坏？
这是网上的一段说明，是否表达这个意思？
the user manual is generally good, and a schematic is furnished. some broken english makes it unclear as to whether the r7000 battery backed up ram contains firmware as in the r71a.
