Yaesu FT-4XR Operating Manual

Also see for FT-4XE: Operating manual Operating manual Advance manual Information for Customers Operating

25Convenient FunctionsVOX OperationThe VOX system provides automatic transmit/receive switching based onvoice input. With the VOX system enabled, you do not need to press the PTTswitch in order to transmit. Optional VOX earpiece microphone (SSM-512B) isalso available.VFO Split ModeTwo different frequencies, one for receive and another for transmit, may beoperated.Tone squelch featureThe tone squelch opens the speaker audio only when a signal containing thespecified CTCSS tone is received. By matching the tone frequency with thepartner station in advance, a quiet standby is possible.Digital Code Squelch (DCS) featureDCS (Digital Coded Squelch) function allows audio to be heard only whensignals containing the same DCS code are received.New PAGER (EPCS) featureThis new feature allows calling specified stations only, by using a pager codethat combines two CTCSS tones. Even when the person who is called is notnear the transceiver, the information is displayed on the LCD indicating that acall was received. When the call is received, the bell sounds. The transceiveris automatically placed in transmit mode (for about 2.5 seconds) whencalled by the other party, and notifies the other party that you are ready tocommunicate.