Yaesu FT-411 MKII Operating Manual

Also see for FT-411 MKII: Operating manual Operating manual Technical supplement Technical supplement

Contents

FT-411 MKII OPERATING MANUAL22APO (AUTOMATIC POWER-OFF)This feature automatically puts the transceiver to sleep if the keypad/DIAL knob, PTT or[CALL/DTMF] buttons are not used for a selectable period of 10, 20 or 30 minutes. Oneminute before going to sleep, a warning melody will sound ( ), andthe APO clock icon will begin to blink. If no key is pressed within the next minute, thedisplay will change to “OFF,” with the clock icon blinking. If power saving is also en-abled, the small “S” will blink to the left of the clock icon, even though power saving isNOT active in this condition.The APO clock icon appears at the bottom right corner of the display whenever the APOfeature is enabled. To toggle it on and off, press [F/M] and then [APO(5)].To check the current setting of the APO timer, turn off the transceiver and then press andhold the “[APO(5)]” key while turning it back on. The display will show the current timersetting (in minutes) before changing to the frequency display. If you want to change thetimer setting, turn the transceiver off again, and then press and hold either the “[TONE(1)],”“[TSET(2)]” or “[LOW(3)]” key, for 10-, 20- or 30-minute APO time, respectively, whileswitching the transceiver back on.VOX (VOICE-ACTUATED TRANSMIT SWITCHING)When the optional YH-2 Headset is connected to the EAR and MIC jacks on the top panel,VOX can be activated for hands-free operation. Press [F/M] once and then [VOX(8)] re-peatedly to toggle the VOX system between low sensitivity (“Lo” displayed), high sensi-tivity (“Hi” displayed) and off (“OFF” displayed). After making your selection, wait a fewseconds for the display to return to the operating frequency. Use low sensitivity when in anoisy area where other sounds might otherwise trigger the transmitter. When the VOX isenabled (with either high or low sensitivity), a tiny reverse “V” is displayed in the upperright corner.NOTE: The VOX system is not designed work with the internal microphone or with exter-nal speaker/microphones.DTMF MEMORIESThe FT-411 MK provides ten memories, numbered 0 through 9, for storage of DTMFtone sequences of up to 15 digits each, for storage of commonly used remote DTMF con-trol sequences or telephone numbers to be used on autopatching systems.A special mode must be activated to use the DTMF memory features. This mode is toggledon and off by pressing [F/M] and then the [CALL/DTMF] button on the top panel. A smalltelephone icon is displayed above the rightmost frequency digit when this mode is active.Operation