Yaesu FT-1900E Operating Manual

68 FT-1900E OPERATING MANUALIn some instances of erratic or unpredictable operation, the cause may be corruption of datain the microprocessor (due to static electricity, etc.). If this happens, resetting of the micro-processor may restore normal operation. Note that all memories will be erased if you do acomplete microprocessor reset, as described below.MICROPROCESSOR R ESETTINGTo clear all memories and other settings to factory defaults:1. Turn the radio off.2. Press and hold in the [REV(DW)], [LOW(A/N)], and [D/MR(MW)] keys while turningthe radio on. The “ALL RESET PUSH D/MR KEY” notation will scroll on the display.3. Press the [D/MR(MW)] key momentarily to reset all settings to their factory defaults(press any other key to cancel the Reset procedure).SET M ODE R ESETTINGTo reset the Set (Menu) mode settings to their factory defaults, while leaving other settingsunchanged:1. Turn the radio off.2. Press and hold in the [LOW(A/N)] and [D/MR(MW)] keys while turning the radio on.The “SET MODE RESET PUSH D/MR KEY” notation will scroll on the display.3. Press the [D/MR(MW)] key momentarily to reset the Set (Menu) mode settings to theirfactory defaults (press any other key to cancel the Reset procedure).RESET P ROCEDURE