Yaesu FT DX 1200 Operation Manual

Also see for FT DX 1200: Operating manual Operating manual Operating manual

Page 16 F T DX 1200 O PERATING M ANUAL[POWER] Switch3ress and hold in this switch for one second to turnthe transceiver on. Similarly, press and hold in thisswitch for one second to turn the transceiver off.[TUNE] SwitchThis is the onoff switch for the FTDX 1200¶s $uto-matic $ntenna Tuner.3ressing this button momentarily places the antennatuner in line between the transmitter ¿nal ampli¿erand the antenna jack The “TUNER” icon will ap-pear in the display). 5eception is not affected.3ressing and holding in this button for two seconds,while receiving in an amateur band, activates thetransmitter for a few seconds while the automaticantenna tuner rematches the antenna system imped-ance for minimum SW5. The resulting setting is au-tomatically stored in one of the antenna tuner’s 100memories for instant automatic recall later when thereceiver is tuned near the same freTuency.3ressing this button momentarily, while the Tuner isengaged, will take the $utomatic $ntenna tuner outof the transmit line.N OTE:When the $utomatic $ntenna Tuner is tuning itself,a signal is being transmitted. Therefore, be certainthat an antenna or dummy load is connected to theselected antenna jack before pressing and holding inthe [TUNE] switch to start antenna tuning.KEY JackThis 14-inch, 3-contact jack accepts a CW key orkeyer paddles for the built-in electronic keyer),or output from an external electronic keyer. 3inoutis shown on page 1. .ey up voltage is 3.3 V'C, and key down current is 4 m$. This jack maybe con¿gured for keyer, “Bug”, “straight key”, orcomputer keying interface operation via 0enu item“019 F CW KEYER” see page 113). There is anoth-er jack with the same name on the rear panel, and itmay be con¿gured independently for Internal .eyeror pseudo-straight-key operation.N OTE:You cannot use a -contact plug in this jack to do soproduces a constant “key down” condition).FRONT PANEL CONTROLS & SWITCHES