ft-450隐藏菜单的开启
by pressing and holding the following keys while powering on the radio you will gain access to the hidden menu of the yaesu ft-450.
按住几个键开机，即可进入隐藏菜单模式。
press and hold att/ipo, nb and agc buttons at the same time and press the power button and power on radio while still holding in these buttons, and to change the setting you simply use the dsp control (rotary) to select the item you want to change and use the main vfo knob to alter the independant settings of your choice.
按住att/ipo, nb ， agc 这三个键开机，然后就可以用dsp键控制隐藏菜单，用vfp钮调整你想要更改的选项。
(to change the color of your screen, change the settings of ledint1 ledint2 and ledint3, will do most colors. to exit the hidden menu simply press (f) function key. in some radios the radio might also do a full reset. so if you go in there and change anything in there and if you ruin a perfectly good radio no one is to blame but you
比如说更改屏幕颜色，修改ledint1 ledint2 ledint3的参数。推出隐藏菜单模式，只需按一下f键。
